APA استشهاد

Nicholson,Walter. (1978). Microeconomic theory: Basic principles and extensions (2.). Dryden.

استشهاد بنمط شيكاغو

Nicholson,Walter. Microeconomic Theory: Basic Principles and Extensions. 2. Illinois: Dryden, 1978.

MLA استشهاد

Nicholson,Walter. Microeconomic Theory: Basic Principles and Extensions. 2. Dryden, 1978.