Estey, J. A. (1956). Business cycles: Their nature, cause, and control. Englewood Cliffs: Prentice-Hall.
استشهاد بنمط شيكاغوEstey, James Arthur. Business Cycles: Their Nature, Cause, and Control. Englewood Cliffs: Prentice-Hall, 1956.
MLA استشهادEstey, James Arthur. Business Cycles: Their Nature, Cause, and Control. Englewood Cliffs: Prentice-Hall, 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.