Dyfyniad APA

Blanke, D. D., & Costa e Silva, V. d. (2004). Tobacco control legislation: An introductory guide (2nd ed.). World Health Organization.

Dyfyniad Arddull Chicago

Blanke, D. Douglas, and Vera da Costa e Silva. Tobacco Control Legislation: An Introductory Guide. 2nd ed. Geneva: World Health Organization, 2004.

Dyfyniad MLA

Blanke, D. Douglas, and Vera da Costa e Silva. Tobacco Control Legislation: An Introductory Guide. 2nd ed. World Health Organization, 2004.

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