Παραπομπή APA

Sen, S. N. (1960). Elementary economics/10e (10th ed.). Bookland.

Παραπομπή Chicago Style

Sen, Satyendra Nath. Elementary Economics/10e. 10th ed. Calcutta: Bookland, 1960.

Παραπομπή MLA

Sen, Satyendra Nath. Elementary Economics/10e. 10th ed. Bookland, 1960.