Dyfyniad APA
Lundgren, R. E., & Andrea H. McMakin. (2009). Risk communication: A handbook for communicating environmental, safety and health risks (4th ed.). Wiley.
Dyfyniad Arddull Chicago
Lundgren, Regina E., and Andrea H. McMakin. Risk Communication: A Handbook for Communicating Environmental, Safety and Health Risks. 4th ed. Canada: Wiley, 2009.
Dyfyniad MLA
Lundgren, Regina E., and Andrea H. McMakin. Risk Communication: A Handbook for Communicating Environmental, Safety and Health Risks. 4th ed. Wiley, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.