Παραπομπή APA

Hajela, T. N. (1974). History of Economic Thought (4th rev. ed.). Shiv Lal Agarwala.

Παραπομπή Chicago Style

Hajela, T. N. History of Economic Thought. 4th rev. ed. Agra: Shiv Lal Agarwala, 1974.

Παραπομπή MLA

Hajela, T. N. History of Economic Thought. 4th rev. ed. Shiv Lal Agarwala, 1974.