Williams, G. M. Economic relations.
Chicago Style (17th ed.) CitationWilliams, G Mennen. Economic Relations. 1968.
ציטוט MLAWilliams, G Mennen. Economic Relations.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
      Williams, G. M. Economic relations.
Chicago Style (17th ed.) CitationWilliams, G Mennen. Economic Relations. 1968.
ציטוט MLAWilliams, G Mennen. Economic Relations.