Lua APA (7ú heag.)

Liu, D. H. F., & Liptak, B. G. (2000). Wastewater treatment. Lewis Pub.

Lua i Stíl Chicago (17ú heag.)

Liu, David H. F., agus Bela G. Liptak. Wastewater Treatment. Boca Raton, Fla: Lewis Pub, 2000.

Lua MLA (9ú heag.)

Liu, David H. F., agus Bela G. Liptak. Wastewater Treatment. Lewis Pub, 2000.

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