Cita APA (7th ed.)
Robertson, C. J. (2007). International Business. McGrawHill.
Cita Chicago (17th ed.)
Robertson, Christopher J. International Business. New York: McGrawHill, 2007.
Cita MLA (9th ed.)
Robertson, Christopher J. International Business. McGrawHill, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.