APA-referens (7:e uppl.)

Clayton, N. (1997). Young living (Seventh edition.). Glencoe/McGraw-Hill.

Chicago-referens (17:e uppl.)

Clayton, Nanalee. Young Living. Seventh edition. New York: Glencoe/McGraw-Hill, 1997.

MLA-referens (8:e uppl.)

Clayton, Nanalee. Young Living. Seventh edition. Glencoe/McGraw-Hill, 1997.