Dyfyniad APA
Feilding, A., & Singleton, N. (2016). Roadmaps to regulation: New psychoactive substances (NPS). Beckley Foundation.
Dyfyniad Arddull Chicago
Feilding, A., and N. Singleton. Roadmaps to Regulation: New Psychoactive Substances (NPS). Oxford: Beckley Foundation, 2016.
Dyfyniad MLA
Feilding, A., and N. Singleton. Roadmaps to Regulation: New Psychoactive Substances (NPS). Beckley Foundation, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.