Dyfyniad APA

ebrary, Inc, Kalaga, W., Kubisz, M., & Mydla, J. (2011). A culture of recycling/recycling culture? Lang, Peter Frankfurt.

Dyfyniad Arddull Chicago

ebrary, Inc, Wojciech Kalaga, Marzena Kubisz, and Jacek Mydla. A Culture of Recycling/recycling Culture? Frankfurt am Main: Lang, Peter Frankfurt, 2011.

Dyfyniad MLA

ebrary, Inc, et al. A Culture of Recycling/recycling Culture? Lang, Peter Frankfurt, 2011.

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