Virgilio M, V. (1996). Certification of forest products: Issues and perspectives. Island Press.
芝加哥风格引文Virgilio M, Viana. Certification of Forest Products: Issues and Perspectives. Washington, D.C.: Island Press, 1996.
MLA引文Virgilio M, Viana. Certification of Forest Products: Issues and Perspectives. Island Press, 1996.
警告：这些引文格式不一定是100％准确.