Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.