Rachman, D., & Mecson, M. (1985). Business today: Student course mastery guide (4th ed.). Random House.
Cita Chicago (17th ed.)Rachman, David, i Michael Mecson. Business Today: Student Course Mastery Guide. 4th ed. New York: Random House, 1985.
Cita MLA (9th ed.)Rachman, David, i Michael Mecson. Business Today: Student Course Mastery Guide. 4th ed. Random House, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.