APA استشهاد

Lekachman, R. (1967). History of economic ideas. Universal Book Stall.

استشهاد بنمط شيكاغو

Lekachman, Robert. History of Economic Ideas. Delhi: Universal Book Stall, 1967.

MLA استشهاد

Lekachman, Robert. History of Economic Ideas. Universal Book Stall, 1967.