Παραπομπή APA

Pettman,Barrie O. (1977). Social economics: Concepts and perspectives. MCB.

Παραπομπή Chicago Style

Pettman,Barrie O. Social Economics: Concepts and Perspectives. England: MCB, 1977.

Παραπομπή MLA

Pettman,Barrie O. Social Economics: Concepts and Perspectives. MCB, 1977.