Dyfyniad APA

Bhatt, N. D. (1992). Geometrical and machine drawing. Charotar publishing house.

Dyfyniad Arddull Chicago

Bhatt, N D. Geometrical and Machine Drawing. India: Charotar publishing house, 1992.

Dyfyniad MLA

Bhatt, N D. Geometrical and Machine Drawing. Charotar publishing house, 1992.

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