Dyfyniad APA

(1964). Rock products mining & processing. Maclean-Hunter Pub. Corp.].

Dyfyniad Arddull Chicago

Rock Products Mining & Processing. [Chicago: Maclean-Hunter Pub. Corp.], 1964.

Dyfyniad MLA

Rock Products Mining & Processing. Maclean-Hunter Pub. Corp.], 1964.

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