Dyfyniad APA
ebrary, Inc, Manski, C. F., Pepper, J., & Thomas, Y. F. (1999). Assessment of two cost-effectiveness studies on cocaine control policy. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Charles F. Manski, John Pepper, and Yonette F. Thomas. Assessment of Two Cost-effectiveness Studies on Cocaine Control Policy. Washington, DC: National Academy Press, 1999.
Dyfyniad MLA
ebrary, Inc, et al. Assessment of Two Cost-effectiveness Studies on Cocaine Control Policy. National Academy Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.