Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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