APA ציטוט

Spellman, F. R. (2013). Environmental impacts of hydraulic fracturing. CRC.

Chicago Edition Citation

Spellman, Frank R. Environmental Impacts of Hydraulic Fracturing. Boca Raton: CRC, 2013.

ציטוט MLA

Spellman, Frank R. Environmental Impacts of Hydraulic Fracturing. CRC, 2013.