APA (7th ed.) Citation

Sharp, T. J. (2009). I'm Happy 100 Cara Bahagia Bagi Orang Sibuk/ Timothy J Sharp;penerjemah, Isnaini Komarudin. Jakarta: Penguin Books.

Chicago Style (17th ed.) Citation

Sharp, Timothy J. I'm Happy 100 Cara Bahagia Bagi Orang Sibuk/ Timothy J Sharp;penerjemah, Isnaini Komarudin. Jakarta: Penguin Books, 2009.

MLA (8th ed.) Citation

Sharp, Timothy J. I'm Happy 100 Cara Bahagia Bagi Orang Sibuk/ Timothy J Sharp;penerjemah, Isnaini Komarudin. Jakarta: Penguin Books, 2009.

Warning: These citations may not always be 100% accurate.