APA aipamena

Seo, K. K., Winger, B. J., & Spencer, M. H. M. H. (1979). Managerial economics: Text, problems, and short cases (5th ed.). R. D. Irwin.

Chicago Style aipamena

Seo, K. K., Bernard J. Winger, and Milton H. Mark Hirschey Spencer. Managerial Economics: Text, Problems, and Short Cases. 5th ed. Homewood, Ill.: R. D. Irwin, 1979.

MLA aipamena

Seo, K. K., et al. Managerial Economics: Text, Problems, and Short Cases. 5th ed. R. D. Irwin, 1979.