Gaya APA

Sunarjo, A, P., Sutirto, A, P, W. (1997). English For Agribusiness . Malang: UMM Press.

Gaya MLA

Sunarjo, Achmad, Philip., Sutirto, Andy, Ponco, W.. "English For Agribusiness". Malang: UMM Press, 1997. Text.