Dyfyniad APA

Walker, P. (2003). Dictionary of science and technology. Universal Book Stall.

Dyfyniad Arddull Chicago

Walker, Peter. Dictionary of Science and Technology. New Delhi: Universal Book Stall, 2003.

Dyfyniad MLA

Walker, Peter. Dictionary of Science and Technology. Universal Book Stall, 2003.

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