Παραπομπή APA

Chapman, K. (1991). The international petrochemical industry: Evolution and location. B. Blackwell.

Παραπομπή Chicago Style

Chapman, Keith. The International Petrochemical Industry: Evolution and Location. Oxford, UK ; Cambridge, Mass., USA: B. Blackwell, 1991.

Παραπομπή MLA

Chapman, Keith. The International Petrochemical Industry: Evolution and Location. B. Blackwell, 1991.