Dyfyniad APA
Thomas, Y. F., Richardson, D., & Cheung, I. (2008). Geography and Drug Addiction. Springer Netherlands. https://doi.org/10.1007/978-1-4020-8509-3
Dyfyniad Arddull Chicago
Thomas, Yonette F., Douglas Richardson, and Ivan Cheung. Geography and Drug Addiction. Dordrecht: Springer Netherlands, 2008. https://doi.org/10.1007/978-1-4020-8509-3.
Dyfyniad MLA
Thomas, Yonette F., et al. Geography and Drug Addiction. Springer Netherlands, 2008. https://doi.org/10.1007/978-1-4020-8509-3.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.