Dyfyniad APA

Briggs, L. I. (1953). Upper Cretaceous sandstones of Diablo Range, California. University of California Press.

Dyfyniad Arddull Chicago

Briggs, Louis Isaac. Upper Cretaceous Sandstones of Diablo Range, California. Berkeley: University of California Press, 1953.

Dyfyniad MLA

Briggs, Louis Isaac. Upper Cretaceous Sandstones of Diablo Range, California. University of California Press, 1953.

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