Knight, J. F. (1979). What a married couple should knew about sex. Pacific Press.
Citazione stile Chigago Style (17a edizione)Knight, John F. What a Married Couple Should Knew About Sex. Mountain View: Pacific Press, 1979.
Citatione MLA (9a ed.)Knight, John F. What a Married Couple Should Knew About Sex. Pacific Press, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.