Παραπομπή APA

Sharp,Ansel M. (1996). Economics of social issues (12.). Irwin Book Team.

Παραπομπή Chicago Style

Sharp,Ansel M. Economics of Social Issues. 12. Chicago: Irwin Book Team, 1996.

Παραπομπή MLA

Sharp,Ansel M. Economics of Social Issues. 12. Irwin Book Team, 1996.