APA aipamena

Clements, K. W., & Zhao, X. (2009). Economics and marijuana: Consumption, pricing and legalisation. Cambridge University Press. https://doi.org/10.1017/CBO9780511657436

Chicago Style aipamena

Clements, Kenneth W., and Xueyan Zhao. Economics and Marijuana: Consumption, Pricing and Legalisation. Cambridge: Cambridge University Press, 2009. https://doi.org/10.1017/CBO9780511657436.

MLA aipamena

Clements, Kenneth W., and Xueyan Zhao. Economics and Marijuana: Consumption, Pricing and Legalisation. Cambridge University Press, 2009. https://doi.org/10.1017/CBO9780511657436.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.