Grossnickle, D. R., & Thiel, W. B. (1988). Promoting effective student motivation in school and classroom: A practitioner's perspective. National Association of Secondary School Principals.
Chicago Style (17th ed.) CitationGrossnickle, Donald R., and William B. Thiel. Promoting Effective Student Motivation in School and Classroom: A Practitioner's Perspective. Reston, Va.: National Association of Secondary School Principals, 1988.
MLA (9th ed.) CitationGrossnickle, Donald R., and William B. Thiel. Promoting Effective Student Motivation in School and Classroom: A Practitioner's Perspective. National Association of Secondary School Principals, 1988.
Warning: These citations may not always be 100% accurate.