Lua APA (7ú heag.)

Harrison, R. M. (1997). Pollution: Causes, effects and control (3rd ed.). Springer.

Lua i Stíl Chicago (17ú heag.)

Harrison, Roy M. Pollution: Causes, Effects and Control. 3rd ed. Berlin: Springer, 1997.

Lua MLA (9ú heag.)

Harrison, Roy M. Pollution: Causes, Effects and Control. 3rd ed. Springer, 1997.

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