Dyfyniad APA

Newman, B. M., & Newman, P. R. (2012). Life-span development: A psychosocial approach (11th edition, International edition.). Wadsworth Cengage Learning.

Dyfyniad Arddull Chicago

Newman, Barbara M., and Philip R. Newman. Life-span Development: A Psychosocial Approach. 11th edition, International edition. Australia: Wadsworth Cengage Learning, 2012.

Dyfyniad MLA

Newman, Barbara M., and Philip R. Newman. Life-span Development: A Psychosocial Approach. 11th edition, International edition. Wadsworth Cengage Learning, 2012.

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