Παραπομπή APA

Bedi, R. D. (1977). Theory, history and practice of co-operation. loyal books.

Παραπομπή Chicago Style

Bedi, R. D. Theory, History and Practice of Co-operation. Meerut: loyal books, 1977.

Παραπομπή MLA

Bedi, R. D. Theory, History and Practice of Co-operation. loyal books, 1977.