APA-referens

Hajela, T. N. (1981). Principles problems and practice for cooperation. Shiva Lal Agarwala.

Chicago-stil citat

Hajela, T N. Principles Problems and Practice for Cooperation. Delhi: Shiva Lal Agarwala, 1981.

MLA-referens

Hajela, T N. Principles Problems and Practice for Cooperation. Shiva Lal Agarwala, 1981.