Ohtsuka, R. (1990). Population ecology of human survival: Bioecological studies of the Gidra in Papua New Guinea. Tokyo: University of Tokyo Press.
Chicago-tyylinen lähdeviittausOhtsuka, Ryutaro. Population Ecology of Human Survival: Bioecological Studies of the Gidra in Papua New Guinea. Tokyo: University of Tokyo Press, 1990.
MLA-viiteOhtsuka, Ryutaro. Population Ecology of Human Survival: Bioecological Studies of the Gidra in Papua New Guinea. Tokyo: University of Tokyo Press, 1990.
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