Παραπομπή APA

Petersen, H. C., & Lewis, C. W. (1985). Free enterprise today. Cincinnati: South-Western Pub. Co..

Παραπομπή Chicago Style

Petersen, Harold Craig., and Cris W. Lewis. Free Enterprise Today. Cincinnati: South-Western Pub. Co., 1985.

Παραπομπή MLA

Petersen, Harold Craig., and Cris W. Lewis. Free Enterprise Today. Cincinnati: South-Western Pub. Co., 1985.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.