Gaya APA

Sulistyo, S, S, &, U. (2007). SUCCESSFUL ENGLISH FOR BUSINESS (Develop Your Speaking Skill in the Business) . Yogyakarta: Andi.

Gaya MLA

Sulistyo, Susana, Setyarini, &, Ule. "SUCCESSFUL ENGLISH FOR BUSINESS (Develop Your Speaking Skill in the Business)". Yogyakarta: Andi, 2007. Text.