Clegg, B. (2001). Instant motivation79 cara instan menumbuhkan motivasiBrian Clegg. Erlangga.
Chicago Style (17th ed.) CitationClegg, Brian. Instant Motivation79 Cara Instan Menumbuhkan MotivasiBrian Clegg. Erlangga, 2001.
MLA (8th ed.) CitationClegg, Brian. Instant Motivation79 Cara Instan Menumbuhkan MotivasiBrian Clegg. Erlangga, 2001.
Warning: These citations may not always be 100% accurate.