Dyfyniad APA

ebrary, Inc, & De Groot, J. (2004). Nature in American philosophy. Catholic University of America Press.

Dyfyniad Arddull Chicago

ebrary, Inc, and Jean De Groot. Nature in American Philosophy. Washington, D.C.: Catholic University of America Press, 2004.

Dyfyniad MLA

ebrary, Inc, and Jean De Groot. Nature in American Philosophy. Catholic University of America Press, 2004.

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