Παραπομπή APA

Schiller, B. R. (2000). economy today (8th ed.). McGraw-Hill.

Παραπομπή Chicago Style

Schiller, Bradley R. Economy Today. 8th ed. Boston: McGraw-Hill, 2000.

Παραπομπή MLA

Schiller, Bradley R. Economy Today. 8th ed. McGraw-Hill, 2000.