Dyfyniad APA
Masters, W. H., & Johnson, V. E. (1970). Human sexual inadequacy ([1st ed.].). Little, Brown.
Dyfyniad Arddull Chicago
Masters, William H., and Virginia E. Johnson. Human Sexual Inadequacy. [1st ed.]. Boston: Little, Brown, 1970.
Dyfyniad MLA
Masters, William H., and Virginia E. Johnson. Human Sexual Inadequacy. [1st ed.]. Little, Brown, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.