APA (7th ed.) Citation

Nellis, J., & Parker, D. 1. 2. S. (1996). The essence of the economy (2η έκδ.). Prentice Hall.

Chicago Style (17th ed.) Citation

Nellis, J.G, and David 1949 28 Sept.- Parker. The Essence of the Economy. 2η έκδ. Harlow, England: Prentice Hall, 1996.

MLA (8th ed.) Citation

Nellis, J.G, and David 1949 28 Sept.- Parker. The Essence of the Economy. 2η έκδ. Prentice Hall, 1996.