APA استشهاد

Parkinson, A. (1980). A First Year Engineering Drawing (2nd Ed.). A H Wheeler.

استشهاد بنمط شيكاغو

Parkinson, A.C. A First Year Engineering Drawing. 2nd Ed. Allahabad: A H Wheeler, 1980.

MLA استشهاد

Parkinson, A.C. A First Year Engineering Drawing. 2nd Ed. A H Wheeler, 1980.