Ingham, G. (2006). Memotivasi Orang. "Erlangga".
Chicago Style (17th ed.) CitationIngham, Gavin. Memotivasi Orang. "Erlangga", 2006.
MLA (8th ed.) CitationIngham, Gavin. Memotivasi Orang. "Erlangga", 2006.
Warning: These citations may not always be 100% accurate.