Coppock, J. T., & Wilson, C. B. Environmental quality. Scottish Academic Press.
Chicago Style (17th ed.) CitationCoppock, John T., and Christopher B. Wilson. Environmental Quality. Edinburgh : 1974: Scottish Academic Press.
ציטוט MLACoppock, John T., and Christopher B. Wilson. Environmental Quality. Scottish Academic Press.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.