Cita APA (7th ed.)

Santrock, J. W. (1999). Life - span development (7th ed.). Brown & Benchmark.

Cita Chicago (17th ed.)

Santrock, John W. Life - Span Development. 7th ed. Chicago: Brown & Benchmark, 1999.

Cita MLA (9th ed.)

Santrock, John W. Life - Span Development. 7th ed. Brown & Benchmark, 1999.