Dyfyniad APA

Newman, B. M., & Newman, P. R. (1975). Development through life: A psychosocial approach. Dorsey Press.

Dyfyniad Arddull Chicago

Newman, Barbara M., and Philip R. Newman. Development Through Life: A Psychosocial Approach. Homewood, Ill.: Dorsey Press, 1975.

Dyfyniad MLA

Newman, Barbara M., and Philip R. Newman. Development Through Life: A Psychosocial Approach. Dorsey Press, 1975.

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