Gaya APA

Ball, D, A., McCulloc, W, H. (2011). International Business ( Bisnis International ) : Tantangan Persaingan Global (ed.9). Jakarta: Salemba Empat.

Gaya MLA

Ball, Donald, A.., McCulloc, Wendell, H.. "International Business ( Bisnis International ) : Tantangan Persaingan Global". ed.9 Jakarta: Salemba Empat, 2011. Text.