Παραπομπή APA

Bedi, R. (1981). The history and practice of co-operation (11th ed.). Loyal.

Παραπομπή Chicago Style

Bedi, R.D. The History and Practice of Co-operation. 11th ed. Meerut: Loyal, 1981.

Παραπομπή MLA

Bedi, R.D. The History and Practice of Co-operation. 11th ed. Loyal, 1981.