Dyfyniad APA

Newman, B. M., & Newman, P. R. (1995). Development through life: A psychosocial approach (6th ed.). Pacific Grove, Calif.: Brooks/Cole Pub.Co..

Dyfyniad Arddull Chicago

Newman, Barbara M., và Philip R. Newman. Development Through Life: A Psychosocial Approach. 6th ed. Pacific Grove, Calif.: Brooks/Cole Pub.Co., 1995.

Dyfyniad MLA

Newman, Barbara M., và Philip R. Newman. Development Through Life: A Psychosocial Approach. 6th ed. Pacific Grove, Calif.: Brooks/Cole Pub.Co., 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.