Santrock, J. W. (1997). Life-span development (6th ed.). Brown & Benchmark Publishers.
Cita Chicago (17th ed.)Santrock, John W. Life-span Development. 6th ed. Madison, WI: Brown & Benchmark Publishers, 1997.
Cita MLA (8th ed.)Santrock, John W. Life-span Development. 6th ed. Brown & Benchmark Publishers, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.