APA استشهاد

Gukhman, A. A. (1965). Introduction to the theory of similarity. Academic press.

استشهاد بنمط شيكاغو

Gukhman, A A. Introduction to the Theory of Similarity. New York: Academic press, 1965.

MLA استشهاد

Gukhman, A A. Introduction to the Theory of Similarity. Academic press, 1965.