Gaya APA
Ball, D, A., Mcculloc, W, H. (2004).
Internasional Business: Bisnis Internasional (Ed/ 09).
Jakarta:
Salemba Empat.
Gaya MLA
Ball, Donald, A.., Mcculloc, Wendell, H..
"Internasional Business: Bisnis Internasional".
Ed/ 09
Jakarta:
Salemba Empat,
2004.
Text.