Gaya APA

Machfoedz, M. (2003). LET'S TALK BUSINESS BUSINESS Concepts for English Practice (1). Yogyakarta: BPFE.

Gaya MLA

Machfoedz, Mahmud. "LET'S TALK BUSINESS BUSINESS Concepts for English Practice". 1 Yogyakarta: BPFE, 2003. Text.