Dyfyniad APA

Sam Boggs. (2010). Principles of Sedimentology and Stratigraphy (Fourth.). Prentice Hall.

Dyfyniad Arddull Chicago

Sam Boggs. Principles of Sedimentology and Stratigraphy. Fourth. NewJersey: Prentice Hall, 2010.

Dyfyniad MLA

Sam Boggs. Principles of Sedimentology and Stratigraphy. Fourth. Prentice Hall, 2010.

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