APA ציטוט

McConnell , R. L., & Abel , D. C. (2014). Environmental geology today. Jones & Bartlett Learning.

Chicago Edition Citation

McConnell , Robert L., and Daniel C. Abel. Environmental Geology Today. Jones & Bartlett Learning, 2014.

ציטוט MLA

McConnell , Robert L., and Daniel C. Abel. Environmental Geology Today. Jones & Bartlett Learning, 2014.