Gaya APA

Chadwick, M, J. et al (1987). Environmental Impacts of COAL MINING AND UTILIZATION: (A Complete revision of nvironmental Implications of Expanded Coal Utilization) (E-book) . Oxford: Pergamon Press.

Gaya MLA

Chadwick, M., J,. et al. "Environmental Impacts of COAL MINING AND UTILIZATION: (A Complete revision of nvironmental Implications of Expanded Coal Utilization) (E-book)". Oxford: Pergamon Press, 1987. Text.