International Congress Symposium on Cannabis & Harvey, D. (1985). Marihuana84: Proceedings/ Ninth International Congress Symposium on Cannabis, held at Helsinki in 1975. IRL Press.
Chicago-referens (17:e uppl.)International Congress Symposium on Cannabis och D.J Harvey. Marihuana84: Proceedings/ Ninth International Congress Symposium on Cannabis, Held at Helsinki in 1975. Oxford: IRL Press, 1985.
MLA-referens (9:e uppl.)International Congress Symposium on Cannabis och D.J Harvey. Marihuana84: Proceedings/ Ninth International Congress Symposium on Cannabis, Held at Helsinki in 1975. IRL Press, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.