Gaya APA

MACHFOEDZ, M. (2003). LET'S TALK BUSINESS BUSINESS CINCEPTS FOR ENGLISH PRACTICE (2003/2004). Yogyakarta: BPFE-YOGYAKARTA.

Gaya MLA

MACHFOEDZ, MAHMUD. "LET'S TALK BUSINESS BUSINESS CINCEPTS FOR ENGLISH PRACTICE". 2003/2004 Yogyakarta: BPFE-YOGYAKARTA, 2003. PENDIDIKAN BAHASA INGGRIS.