APA (7th ed.) Zitazioa
Gould, R. L. (1978). Transformation: Growth and change in adult life. Touchstone.
Chicago Style (17th ed.) Zitazioa
Gould, Roger L. Transformation: Growth and Change in Adult Life. New York: Touchstone, 1978.
MLA (9th ed.) Zitazioa
Gould, Roger L. Transformation: Growth and Change in Adult Life. Touchstone, 1978.
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