Lua APA (7ú heag.)

OSTLER, N. K. Environmental regulations overview. Volume 2#Editor Neal K. Ostler, John T. Nielsen. Prentice Hall.

Lua i Stíl Chicago (17ú heag.)

OSTLER, Neal K. Environmental Regulations Overview. Volume 2#Editor Neal K. Ostler, John T. Nielsen. Prentice Hall.

Lua MLA (8ú heag.)

OSTLER, Neal K. Environmental Regulations Overview. Volume 2#Editor Neal K. Ostler, John T. Nielsen. Prentice Hall.

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