Canada. Commission of Inquiry into the Non-Medical Use of Drugs. (1973). Interim report. Queen's Printer.
Dyfyniad Arddull ChicagoCanada. Commission of Inquiry into the Non-Medical Use of Drugs. Interim Report. [Ottawa: Queen's Printer, 1973.
Dyfyniad MLACanada. Commission of Inquiry into the Non-Medical Use of Drugs. Interim Report. Queen's Printer, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.