Παραπομπή APA

Dwivedi, D. (1980). Managerial economics/4e (4th ed.). Vikas.

Παραπομπή Chicago Style

Dwivedi, D.N. Managerial Economics/4e. 4th ed. New Delhi: Vikas, 1980.

Παραπομπή MLA

Dwivedi, D.N. Managerial Economics/4e. 4th ed. Vikas, 1980.