Cooper, S. V., Neiman, K. E., & Roberts, D. W. (1991). Forest habitat types of northern Idaho: A second approximation. Intermountain Research Station.
Citace podle Chicago (17th ed.)Cooper, Stephen V., Kenneth E. Neiman, a David W. Roberts. Forest Habitat Types of Northern Idaho: A Second Approximation. Ogden: Intermountain Research Station, 1991.
Citace podle MLA (9th ed.)Cooper, Stephen V., et al. Forest Habitat Types of Northern Idaho: A Second Approximation. Intermountain Research Station, 1991.
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