อ้างอิง ของ กาแฟ

Allen, Stewart Lee (1999). The devil's cup : coffee, the driving force in history. Soho: Random House. ISBN 1569471746.
Bersten, Ian (1999). Coffee, Sex & Health: A history of anit-cofee crusaders and sexual hysteria. Sydney: Helian Books. ISBN 0-9577581-0-3.
various (1985). "Botanical Classification of Coffee". In Clifford MH, Wilson KC. Coffee: Botany, Biochemistry and Production of Beans and Beverage. Westport, Connecticut: AVI Publishing. ISBN 0-7099-0787-7.
Ganchy, Sally (2009). Islam and Science, Medicine, and Technology. The Rosen Publishing Group. ISBN 1435850661. More than one of |author= และ |last1= specified (help)
Kummer, Corby (August 19, 2003). The joy of coffee : the essential guide to buying, brewing, and enjoying. Boston: Houghton Mifflin. ISBN 0618302409. สืบค้นเมื่อ January 11, 2010.
Metcalf, Allan A (1999). The world in so many words : a country-by-country tour of words that have shaped our language. Houghton Mifflin. ISBN 0395959209.
Pendergrast, Mark (2001) [1999]. Uncommon Grounds: The History of Coffee and How It Transformed Our World. London: Texere. ISBN 1-58799-088-1.
Weinberg, Bennett Alan; Bealer, Bonnie K (2001). The world of caffeine : the science and culture of the world's most popular drug. New York: Routledge. ISBN 0415927226.

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