Hicks, H. G., & Gullett, C. R. (1981). Management (4th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Hicks, Herbert G., i C. Ray Gullett. Management. 4th ed. New York: McGraw-Hill, 1981.
Cita MLA (8th ed.)Hicks, Herbert G., i C. Ray Gullett. Management. 4th ed. McGraw-Hill, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.