APA ציטוט

Hay, N. E. (1988). Guide to natural gas cogeneration. Fairmont Press.

Chicago Style (17th ed.) Citation

Hay, Nelson E. Guide to Natural Gas Cogeneration. Lilburn, GA: Fairmont Press, 1988.

ציטוט MLA

Hay, Nelson E. Guide to Natural Gas Cogeneration. Fairmont Press, 1988.