Dyfyniad APA

Meyers, R. A. (1987). <Encyclopaedia> of physical <science and technology>. Academic Press.

Dyfyniad Arddull Chicago

Meyers, Robert A. <Encyclopaedia> of Physical <science and Technology>. Orland: Academic Press, 1987.

Dyfyniad MLA

Meyers, Robert A. <Encyclopaedia> of Physical <science and Technology>. Academic Press, 1987.

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