Citazione Stile APA (7a Edizione)

Sparks, L. e., & Sparks, L. (1985). The Youth Workers personal management handbook. Group Books.

Citazione stile Chigago Style (17a edizione)

Sparks, Lee ed, e Lee Sparks. The Youth Workers Personal Management Handbook. Loveland: Group Books, 1985.

Citatione MLA (9a ed.)

Sparks, Lee ed, e Lee Sparks. The Youth Workers Personal Management Handbook. Group Books, 1985.