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Gaya APA

Sulistyo, S, S, D, U. (2007). Successful English for Bussiness . Yogyakarta: Yogyakarta: ANDI.

Gaya MLA

Sulistyo, Susana, Setyarini, Dan, Ule. "Successful English for Bussiness". Yogyakarta: Yogyakarta: ANDI, 2007. Text.