APA način citiranja

Gennard, J. (1976). Economic and technologicl environments 3. Open University Press.

Čikaški stil citiranja

Gennard, John. Economic and Technologicl Environments 3. England: Open University Press, 1976.

MLA način citiranja

Gennard, John. Economic and Technologicl Environments 3. Open University Press, 1976.