APA (7e ed.) Bronvermelding

Decker, S. L., & Schwartz, A. E. (2000). Cigarettes and alcohol: Substitutes or complementsn. National Bureau of Economic Research.

Chicago (17e ed.) Bronvermelding

Decker, Sandra L., en Amy Ellen Schwartz. Cigarettes and Alcohol: Substitutes or Complementsn. Cambridge: National Bureau of Economic Research, 2000.

MLA (9e ed.) Bronvermelding

Decker, Sandra L., en Amy Ellen Schwartz. Cigarettes and Alcohol: Substitutes or Complementsn. National Bureau of Economic Research, 2000.