Dyfyniad APA

Stevens-Long, J., & Commons, M. L. (1992). Adult life: Developmental processes (4th.). Mayfield.

Dyfyniad Arddull Chicago

Stevens-Long, Judith, and Michael L. Commons. Adult Life: Developmental Processes. 4th. California: Mayfield, 1992.

Dyfyniad MLA

Stevens-Long, Judith, and Michael L. Commons. Adult Life: Developmental Processes. 4th. Mayfield, 1992.

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