Dyfyniad APA

Belke, T. W., & Dunbar, M. J. (2001). Effects of cocaine on fixed-interval responding reinforced by the opportunity to run.

Dyfyniad Arddull Chicago

Belke, T W., and M J. Dunbar. Effects of Cocaine On Fixed-interval Responding Reinforced By the Opportunity to Run. 2001.

Dyfyniad MLA

Belke, T W., and M J. Dunbar. Effects of Cocaine On Fixed-interval Responding Reinforced By the Opportunity to Run. 2001.

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