Kervin, J. B. (1992). Methods for business research. Harper Collins Publishers.
Cita Chicago (17th ed.)Kervin, John B. Methods for Business Research. New York: Harper Collins Publishers, 1992.
Cita MLA (9th ed.)Kervin, John B. Methods for Business Research. Harper Collins Publishers, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.