APA-čujuhus (7. p.)

Lavorgna, G. M. (1998). Environment: Issues and alternatives (Rev. ed.). Kendall/Hunt.

Chicago-čujuhus (17. p.)

Lavorgna, Gary M. Environment: Issues and Alternatives. Rev. ed. Dubuque: Kendall/Hunt, 1998.

MLA-čujuhus (9. p.)

Lavorgna, Gary M. Environment: Issues and Alternatives. Rev. ed. Kendall/Hunt, 1998.

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