Griffitt, W., & Hatfield, E. (1985). Human sexual behavior. Scott, Foresman and Co..
Dyfyniad Arddull ChicagoGriffitt, William, and Elaine Hatfield. Human Sexual Behavior. London: Scott, Foresman and Co., 1985.
Dyfyniad MLAGriffitt, William, and Elaine Hatfield. Human Sexual Behavior. Scott, Foresman and Co., 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.