Dyfyniad APA
Hollingsworth, A., & et al. (2017). Macroeconomic conditions and opioid abuse. National Bureau of Economic Research.
Dyfyniad Arddull Chicago
Hollingsworth, A., and et al. Macroeconomic Conditions and Opioid Abuse. Cambridge: National Bureau of Economic Research, 2017.
Dyfyniad MLA
Hollingsworth, A., and et al. Macroeconomic Conditions and Opioid Abuse. National Bureau of Economic Research, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.