Birch, P. (2001). Instant Motivation = 79 Cara Instan Menumbuhkan Motivasi. Erlangga.
Chicago Style (17th ed.) CitationBirch, Paul. Instant Motivation = 79 Cara Instan Menumbuhkan Motivasi. Erlangga, 2001.
MLA (8th ed.) CitationBirch, Paul. Instant Motivation = 79 Cara Instan Menumbuhkan Motivasi. Erlangga, 2001.
Warning: These citations may not always be 100% accurate.