Gaya APA

TRIM, B., PUTRA, J, E. (2008). BECOMING ON ENTREPRENEUR IS EASY (cet.1). SURABAYA: MENUJU INSAN CAMERLANG.

Gaya MLA

TRIM, BAMBANG., PUTRA, JULIANTO, EKA. "BECOMING ON ENTREPRENEUR IS EASY". cet.1 SURABAYA: MENUJU INSAN CAMERLANG, 2008. Text.