Dyfyniad APA

Pettijohn, F. J., & Potter, P. E. (1964). Atlas and glossary of primary sedimentary structures. Springer-Verlag.

Dyfyniad Arddull Chicago

Pettijohn, F. J., and Paul Edwin Potter. Atlas and Glossary of Primary Sedimentary Structures. Berlin, New York: Springer-Verlag, 1964.

Dyfyniad MLA

Pettijohn, F. J., and Paul Edwin Potter. Atlas and Glossary of Primary Sedimentary Structures. Springer-Verlag, 1964.

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