McConnell , R. L., & Abel , D. C. (2014). Environmental geology today. Jones & Bartlett Learning.
Chicago Edition CitationMcConnell , Robert L., and Daniel C. Abel. Environmental Geology Today. Jones & Bartlett Learning, 2014.
ציטוט MLAMcConnell , Robert L., and Daniel C. Abel. Environmental Geology Today. Jones & Bartlett Learning, 2014.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.