APA (7th ed.) Zitazioa
Sparks, L. (1985). The Youth worker's personal management handbook. Group Books.
Chicago Style (17th ed.) Zitazioa
Sparks, Lee. The Youth Worker's Personal Management Handbook. Loveland, Colo.: Group Books, 1985.
MLA (9th ed.) Zitazioa
Sparks, Lee. The Youth Worker's Personal Management Handbook. Group Books, 1985.
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