Dyfyniad APA
Berk, L. E. (1998). Development through the lifespan. Allyn and Bacon.
Dyfyniad Arddull Chicago
Berk, Laura E. Development Through the Lifespan. Boston: Allyn and Bacon, 1998.
Dyfyniad MLA
Berk, Laura E. Development Through the Lifespan. Allyn and Bacon, 1998.
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