อ้างอิง ของ กำลังภายใน

  • Blofeld, J. Taoism, The Quest for Immortality, Mandala-Unwin Paperbacks London, 1989. ISBN 0-04-299008-4
  • Cheng, Tinhung. Tai Chi Transcendent Art, The Hong Kong Tai Chi Association Press Hong Kong, 1976. (only available in Chinese)
  • Wile, Douglas Lost T'ai-chi Classics from the late Ch'ing Dynasty State University of New York Press, Albany, 1996. ISBN 0-7914-2653-X
  • Wu Gongzao. Wu Family T'ai Chi Ch'uan (吳家太極拳), Hong Kong, 1980, Toronto 2006, ISBN 0-9780499-0-X
  • Keen, Thomas. Iron Vest Qigong. ISBN 978-1-6024-3000-6
  • Danaos, Kosta, Nei Kung, The Secret Teachings of the Warrior Sage, Inner traditions, 2002, ISBN 0-89281-907-3
  • Chen Kaiguo and Zheng Shunchao, Opening the Dragon Gate. The Making of a Modern Taoist Wizard.. ISBN 0804831858