Spitzer, D. (2007). Super motivation. Prentice Hall of India.
Chicagoスタイル(17版)引用形式Spitzer, Dean. Super Motivation. New Delhi: Prentice Hall of India, 2007.
MLA(9版)引用形式Spitzer, Dean. Super Motivation. Prentice Hall of India, 2007.
警告: この引用は必ずしも正確ではありません.