APA استشهاد

Bhatt, N. D., & John. (1977). Machine drawing. Charotar book stall.

استشهاد بنمط شيكاغو

Bhatt, N D., و John. Machine Drawing. India: Charotar book stall, 1977.

MLA استشهاد

Bhatt, N D., و John. Machine Drawing. Charotar book stall, 1977.