Santrock, J. W. (2004). Student study guide for use with Life-Span development (9th ed.). McGraw-Hill.

Santrock, John W. Student Study Guide for Use with Life-Span Development. 9th ed. Boston: McGraw-Hill, 2004.

Santrock, John W. Student Study Guide for Use with Life-Span Development. 9th ed. McGraw-Hill, 2004.