Santrock, J. W. (1986). Life - span development (2nd ed.). Wm. C. Brown.
Tohutoru Kātū Chicago (17th ed.)Santrock, John W. Life - Span Development. 2nd ed. Iowa: Wm. C. Brown, 1986.
Tohutoro MLA (9th ed.)Santrock, John W. Life - Span Development. 2nd ed. Wm. C. Brown, 1986.
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