APA aipamena

Walmsley, L. (1972). Approaches to drawing. Evans Bros.; Van Nostrand Reinhold.

Chicago Style aipamena

Walmsley, Leo. Approaches to Drawing. London, New York: Evans Bros.; Van Nostrand Reinhold, 1972.

MLA aipamena

Walmsley, Leo. Approaches to Drawing. Evans Bros.; Van Nostrand Reinhold, 1972.