APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

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