APA

Norman D. A., American Petroleum Institute A. & Norman D. A. (1985). Implications of different oil price and economic growth trends for the world petroleum market. Washington: American Petroleum Institute, API.

Chicago

Norman Donald A, American Petroleum Institute API and Norman Donald A. 1985. Implications of different oil price and economic growth trends for the world petroleum market. Washington: American Petroleum Institute, API.

Harvard

Norman D. A., American Petroleum Institute A. and Norman D. A. (1985). Implications of different oil price and economic growth trends for the world petroleum market. Washington: American Petroleum Institute, API.

MLA

Norman Donald A, American Petroleum Institute API and Norman Donald A. Implications of different oil price and economic growth trends for the world petroleum market. Washington: American Petroleum Institute, API. 1985.