↑ Gilbert, Jeremy (April 29, 2009). "The Hardcore Continuum?". Dancecult: Journal of Electronic Dance Music Culture. 1 (1). สืบค้นเมื่อ December 20, 2017.
↑ Shapiro, Peter (2000). Modulations: A history of electronic music. Throbbing Words on Sound. New York: d.a.p caipirinha. pp. 132–134. ISBN1-891024-06-X.