APA ציטוט
ebrary, Inc. (1994). Assigning economic value to natural resources. National Academy Press.
Chicago Style (17th ed.) Citation
ebrary, Inc. Assigning Economic Value to Natural Resources. Washington, D.C.: National Academy Press, 1994.
ציטוט MLA
ebrary, Inc. Assigning Economic Value to Natural Resources. National Academy Press, 1994.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.