APA (7th ed.) Zitazioa
Bertolini, D. M. (1989). Back to the heart of youth work. Victor Books.
Chicago Style (17th ed.) Zitazioa
Bertolini, Dewey M. Back to the Heart of Youth Work. [Wheaton, Ill.]: Victor Books, 1989.
MLA (9th ed.) Zitazioa
Bertolini, Dewey M. Back to the Heart of Youth Work. Victor Books, 1989.
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