APA استشهاد

Bhatt, N. D. (1981). Machine drawing (17th ed.). Charotar Publishing House.

استشهاد بنمط شيكاغو

Bhatt, N D. Machine Drawing. 17th ed. Anand: Charotar Publishing House, 1981.

MLA استشهاد

Bhatt, N D. Machine Drawing. 17th ed. Charotar Publishing House, 1981.