Dyfyniad APA

Billings Geological Society. Field Conference. (1951). 2nd Annual Field Conference. The Society.

Dyfyniad Arddull Chicago

Billings Geological Society. Field Conference. 2nd Annual Field Conference. [Billings, Mont.: The Society, 1951.

Dyfyniad MLA

Billings Geological Society. Field Conference. 2nd Annual Field Conference. The Society, 1951.

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