Enger, E. D., & Smith, B. F. (1995). Field and laboratory activities in environmental science (5th ed.). Wm. C. Brown.
Citace podle Chicago (17th ed.)Enger, Eldon D., a Bradley F. Smith. Field and Laboratory Activities in Environmental Science. 5th ed. Dubuque IA, U.S.A: Wm. C. Brown, 1995.
Citace podle MLA (9th ed.)Enger, Eldon D., a Bradley F. Smith. Field and Laboratory Activities in Environmental Science. 5th ed. Wm. C. Brown, 1995.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..