APA استشهاد

Parkinson, A. C. (1972). Foundations of technical drawing. ELBS.

استشهاد بنمط شيكاغو

Parkinson, A C. Foundations of Technical Drawing. London: ELBS, 1972.

MLA استشهاد

Parkinson, A C. Foundations of Technical Drawing. ELBS, 1972.