Tohutoro APA (7th ed.)
Berk, L. E. (1998). Development through the lifespan. Allyn and Bacon.
Tohutoru Kātū Chicago (17th ed.)
Berk, Laura E. Development Through the Lifespan. Boston: Allyn and Bacon, 1998.
Tohutoro MLA (9th ed.)
Berk, Laura E. Development Through the Lifespan. Allyn and Bacon, 1998.
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