Lerner, R. . M., & Spanier, G. B. (1980). Adolescent development: A life - span perspective. McGraw-Hill.
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Dyfyniad Arddull Chicago
Lerner, Richard M., and Graham B. Spanier. Adolescent Development: A Life - Span Perspective. New York: McGraw-Hill, 1980.
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Dyfyniad MLA
Lerner, Richard M., and Graham B. Spanier. Adolescent Development: A Life - Span Perspective. McGraw-Hill, 1980.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.