APA ציטוט
Enger, E. D., & Smith, B. F. (2010). Environmental science: A study of interrelationships (12th ed.). McGraw-Hill.
Chicago Style (17th ed.) Citation
Enger, Eldon D., and Bradley F. Smith. Environmental Science: A Study of Interrelationships. 12th ed. Boston: McGraw-Hill, 2010.
ציטוט MLA
Enger, Eldon D., and Bradley F. Smith. Environmental Science: A Study of Interrelationships. 12th ed. McGraw-Hill, 2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.