Dyfyniad APA

Allen, J. R. L. (1982). Sedimentary structures, their character and physical basis. Elsevier Scientific Pub. Co.

Dyfyniad Arddull Chicago

Allen, John R. L. Sedimentary Structures, Their Character and Physical Basis. Amsterdam, New York: Elsevier Scientific Pub. Co, 1982.

Dyfyniad MLA

Allen, John R. L. Sedimentary Structures, Their Character and Physical Basis. Elsevier Scientific Pub. Co, 1982.

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