Hajela, T. N. Principles, Problems and Practice of Co-Operation. Shiva Lal Agarwala.
استشهاد بنمط شيكاغوHajela, T. N. Principles, Problems and Practice of Co-Operation. Agra: Shiva Lal Agarwala.
MLA استشهادHajela, T. N. Principles, Problems and Practice of Co-Operation. Shiva Lal Agarwala.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.