APA استشهاد

Harlan, N. E., Christenson, C. J., & Richard F. Vancil. (1962). Managerial economics: Text and cases. Richard.D Irwin.

استشهاد بنمط شيكاغو

Harlan, Neil E., Charles J. Christenson, و Richard F. Vancil. Managerial Economics: Text and Cases. Illinuis: Richard.D Irwin, 1962.

MLA استشهاد

Harlan, Neil E., et al. Managerial Economics: Text and Cases. Richard.D Irwin, 1962.