APA-čujuhus (7. p.)
Gilbert, O. L. (1991). The ecology of urban habitats. Chapman and Hall.
Chicago-čujuhus (17. p.)
Gilbert, O. L. The Ecology of Urban Habitats. London ; New York: Chapman and Hall, 1991.
MLA-čujuhus (9. p.)
Gilbert, O. L. The Ecology of Urban Habitats. Chapman and Hall, 1991.
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