International Congress Symposium on Cannabis & Harvey, D. (1985). Marihuana84: Proceedings/ Ninth International Congress Symposium on Cannabis, held at Helsinki in 1975. IRL Press.
Chicago-viite (17. p.)International Congress Symposium on Cannabis ja D.J Harvey. Marihuana84: Proceedings/ Ninth International Congress Symposium on Cannabis, Held at Helsinki in 1975. Oxford: IRL Press, 1985.
MLA-viite (9. p.)International Congress Symposium on Cannabis ja D.J Harvey. Marihuana84: Proceedings/ Ninth International Congress Symposium on Cannabis, Held at Helsinki in 1975. IRL Press, 1985.
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