Dyfyniad APA

Bak, P., & Bak. (1996). How nature works: The science of self-organized criticality. Copernicus.

Dyfyniad Arddull Chicago

Bak, P., and Bak. How Nature Works: The Science of Self-organized Criticality. New York, NY, USA: Copernicus, 1996.

Dyfyniad MLA

Bak, P., and Bak. How Nature Works: The Science of Self-organized Criticality. Copernicus, 1996.

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