Gaya APA

Epstein,Robert, . (2001). The Big Book of Motivation Games:Quick,Fun Activies For Energizing People at Work and Home . New York: McGraw-Hill.

Gaya MLA

Epstein,Robert, . "The Big Book of Motivation Games:Quick,Fun Activies For Energizing People at Work and Home". New York: McGraw-Hill, 2001. Text.