APA-viite

Gennard, J. (1976). Institutions and the economic environment P881 Unit 5. Open University Press.

Chicago-tyylinen lähdeviittaus

Gennard, John. Institutions and the Economic Environment P881 Unit 5. England: Open University Press, 1976.

MLA-viite

Gennard, John. Institutions and the Economic Environment P881 Unit 5. Open University Press, 1976.