Dyfyniad APA

McRitchie, W. D. (1969). A petrologic data sheet for use in the laboratory. Manitoba Mines Branch, Dept. of Mines and Natural Resources.

Dyfyniad Arddull Chicago

McRitchie, W. D. A Petrologic Data Sheet for Use in the Laboratory. Winnipeg: Manitoba Mines Branch, Dept. of Mines and Natural Resources, 1969.

Dyfyniad MLA

McRitchie, W. D. A Petrologic Data Sheet for Use in the Laboratory. Manitoba Mines Branch, Dept. of Mines and Natural Resources, 1969.

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