APA-viite (7. p.)
ebrary, Inc, Bergerud, A. T., & Gratson, M. W. (1988). Adaptive strategies and population ecology of northern grouse. University of Minnesota Press.
Chicago-viite (17. p.)
ebrary, Inc, A. T. Bergerud, ja Michael W. Gratson. Adaptive Strategies and Population Ecology of Northern Grouse. Minneapolis: University of Minnesota Press, 1988.
MLA-viite (9. p.)
ebrary, Inc, et al. Adaptive Strategies and Population Ecology of Northern Grouse. University of Minnesota Press, 1988.
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