Gaya APA

Udoyono, B., WK, N. (2012). English for Export-Import Business (Edisi I). Yogyakarta: C.V ANDI OFFSET (Penerbit ANDI).

Gaya MLA

Udoyono, Bambang., WK, Nikodemus. "English for Export-Import Business". Edisi I Yogyakarta: C.V ANDI OFFSET (Penerbit ANDI), 2012. Text.