APA-čujuhus (7. p.)
Nebel, B. J., & Wright, R. T. (1993). Environmental science: The way the world works (4th.ed.). Prentice Hall.
Chicago-čujuhus (17. p.)
Nebel, Bernard J., juo Richard T. Wright. Environmental Science: The Way the World Works. 4th.ed. Englewood Cliffs: Prentice Hall, 1993.
MLA-čujuhus (9. p.)
Nebel, Bernard J., juo Richard T. Wright. Environmental Science: The Way the World Works. 4th.ed. Prentice Hall, 1993.
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