Παραπομπή APA

Hajela, T. N. (2000). Cooperation: Principles, problems and practice (6.). Konark Publishers Pvt Ltd.

Παραπομπή Chicago Style

Hajela, T N. Cooperation: Principles, Problems and Practice. 6. New Delhi: Konark Publishers Pvt Ltd, 2000.

Παραπομπή MLA

Hajela, T N. Cooperation: Principles, Problems and Practice. 6. Konark Publishers Pvt Ltd, 2000.