Citazione Stile APA (7a Edizione)

Grossnickle, D. R., & Thiel, W. B. (1988). Promoting effective student motivation in school and classroom: A practitioner's perpective. N.A.S.S.P.

Citazione stile Chigago Style (17a edizione)

Grossnickle, Donald R., e William B. Thiel. Promoting Effective Student Motivation in School and Classroom: A Practitioner's Perpective. Reston: N.A.S.S.P, 1988.

Citatione MLA (9a ed.)

Grossnickle, Donald R., e William B. Thiel. Promoting Effective Student Motivation in School and Classroom: A Practitioner's Perpective. N.A.S.S.P, 1988.