Harms, R. (1987). Games against nature: An eco-cultural history of the Nunu of equatorial Africa. Cambridge University Press.
芝加哥风格引文Harms, Robert. Games Against Nature: An Eco-cultural History of the Nunu of Equatorial Africa. Cambridge: Cambridge University Press, 1987.
MLA引文Harms, Robert. Games Against Nature: An Eco-cultural History of the Nunu of Equatorial Africa. Cambridge University Press, 1987.
警告：这些引文格式不一定是100％准确.