Lua APA (7ú heag.)

Wang, X., & Economides, M. J. (2009). Advanced natural gas engineering. Gulf Pub..

Lua i Stíl Chicago (17ú heag.)

Wang, Xiuli, agus Michael J. Economides. Advanced Natural Gas Engineering. Houston, Tex.: Gulf Pub., 2009.

Lua MLA (9ú heag.)

Wang, Xiuli, agus Michael J. Economides. Advanced Natural Gas Engineering. Gulf Pub., 2009.

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