Dyfyniad APA
Bardi, U. (2011). The Limits to Growth Revisited. Springer New York. https://doi.org/10.1007/978-1-4419-9416-5
Dyfyniad Arddull Chicago
Bardi, Ugo. The Limits to Growth Revisited. New York, NY: Springer New York, 2011. https://doi.org/10.1007/978-1-4419-9416-5.
Dyfyniad MLA
Bardi, Ugo. The Limits to Growth Revisited. Springer New York, 2011. https://doi.org/10.1007/978-1-4419-9416-5.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.