Denison, E. F. (1967). Why growth rates differ: Postwar experience in nine western countries. Brookings Institution.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Denison, Edward Fulton. Why Growth Rates Differ: Postwar Experience in Nine Western Countries. Washington: Brookings Institution, 1967.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Denison, Edward Fulton. Why Growth Rates Differ: Postwar Experience in Nine Western Countries. Brookings Institution, 1967.