Leftwich, R. H. (1976). Economics of social issues. Business.
Chicago Style (17th ed.) CitationLeftwich, Richard H. Economics of Social Issues. Dallas: Business, 1976.
ציטוט MLALeftwich, Richard H. Economics of Social Issues. Business, 1976.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.