Dyfyniad APA

Kerr, P. F. (1957). Cross-sections of the central intrusive and adjacent area / [peta]. Boulder, Colo : Geological Society of America.

Dyfyniad Arddull Chicago

Kerr, Paul F. Cross-sections of the Central Intrusive and Adjacent Area / [peta]. Boulder, Colo : Geological Society of America, 1957.

Dyfyniad MLA

Kerr, Paul F. Cross-sections of the Central Intrusive and Adjacent Area / [peta]. Boulder, Colo : Geological Society of America, 1957.

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