APA-referens

Papalia, D. E. (2002). Adult development and aging (2nd ed.). McGraw-Hill.

Chicago-stil citat

Papalia, Diane E. Adult Development and Aging. 2nd ed. New York: McGraw-Hill, 2002.

MLA-referens

Papalia, Diane E. Adult Development and Aging. 2nd ed. McGraw-Hill, 2002.