Gaya APA

Ball, D, A. (2014). Bisnis Internasional ( International Business) Ed. 12, Buku 1 (Ed.ke-12, Buku 1). : .

Gaya MLA

Ball, Donald, A.. "Bisnis Internasional ( International Business) Ed. 12, Buku 1". Ed.ke-12, Buku 1 : , 2014. Text.