Bradford, J., & Mansfield, D. Known Unknowns and Unknown Knowns: What we know about the cannabis and the Hashish trade in Afghanistan. Pôle de Recherche pour l'Organisation et la diffusion de l'Information Géographique.
Chicago Style (17th ed.) CitationBradford, James, and David Mansfield. Known Unknowns and Unknown Knowns: What We Know About the Cannabis and the Hashish Trade in Afghanistan. Pôle de Recherche pour l'Organisation et la diffusion de l'Information Géographique.
MLA (9th ed.) CitationBradford, James, and David Mansfield. Known Unknowns and Unknown Knowns: What We Know About the Cannabis and the Hashish Trade in Afghanistan. Pôle de Recherche pour l'Organisation et la diffusion de l'Information Géographique.
Warning: These citations may not always be 100% accurate.