Cita APA (7th ed.)
Gray, E. R. (1989). Management: The competitive edge. Macmillan publ. Co..
Cita Chicago (17th ed.)
Gray, Edmund R. Management: The Competitive Edge. London: Macmillan publ. Co., 1989.
Cita MLA (9th ed.)
Gray, Edmund R. Management: The Competitive Edge. Macmillan publ. Co., 1989.
Atenció: Aquestes cites poden no estar 100% correctes.