Gaya APA

GWEE, J. (2007). Positive Business Ideas : Proven, Practical and Easy-to-Apply Ideas to Improve Your Performance (Cetakan Kelima). Hoboken, NJ: PT Gramedia Pustaka Utama.

Gaya MLA

GWEE, JAMES. "Positive Business Ideas : Proven, Practical and Easy-to-Apply Ideas to Improve Your Performance". Cetakan Kelima Hoboken, NJ: PT Gramedia Pustaka Utama, 2007. Text.