International Congress Symposium on Cannabis & Harvey, D. (1985). Marihuana84: Proceedings/ Ninth International Congress Symposium on Cannabis, held at Helsinki in 1975. IRL Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিInternational Congress Symposium on Cannabis এবং D.J Harvey. Marihuana84: Proceedings/ Ninth International Congress Symposium on Cannabis, Held at Helsinki in 1975. Oxford: IRL Press, 1985.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিInternational Congress Symposium on Cannabis এবং D.J Harvey. Marihuana84: Proceedings/ Ninth International Congress Symposium on Cannabis, Held at Helsinki in 1975. IRL Press, 1985.
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