Gaya APA

PUTRA, J, E, ., Trim, B. (2008). BECOMING AN ENTREPRENEUR IS EASY (cet. 1). Surabaya: MIC Publishing.

Gaya MLA

PUTRA, Julianto, Eka, ., Trim, Bambang. "BECOMING AN ENTREPRENEUR IS EASY". cet. 1 Surabaya: MIC Publishing, 2008. Text.