Harvey, J. (1983). Modern Economics: An introduction for business and professional students (4th. ed.). the macmillan press ltd.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harvey, J. Modern Economics: An Introduction for Business and Professional Students. 4th. ed. london: the macmillan press ltd, 1983.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Harvey, J. Modern Economics: An Introduction for Business and Professional Students. 4th. ed. the macmillan press ltd, 1983.