Papalia, D. E. (2007). Adult development and aging (3rd ed.). McGraw-Hill.
Cita Chicago (17th ed.)Papalia, Diane E. Adult Development and Aging. 3rd ed. New York: McGraw-Hill, 2007.
Cita MLA (9th ed.)Papalia, Diane E. Adult Development and Aging. 3rd ed. McGraw-Hill, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.