APA (7th ed.) Zitazioa

Hay, N. E. (1985). Guide to new natural gas utilization technologies. Fairmont Press.

Chicago Style (17th ed.) Zitazioa

Hay, Nelson E. Guide to New Natural Gas Utilization Technologies. Atlanta, GA: Fairmont Press, 1985.

MLA (9th ed.) Zitazioa

Hay, Nelson E. Guide to New Natural Gas Utilization Technologies. Fairmont Press, 1985.

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