Dyfyniad APA

Olson, K. G. (1987). Why teenagers act the way they do. Group Books.

Dyfyniad Arddull Chicago

Olson, Keith G. Why Teenagers Act the Way They Do. Colorado: Group Books, 1987.

Dyfyniad MLA

Olson, Keith G. Why Teenagers Act the Way They Do. Group Books, 1987.

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