APA

Canes M. E., Norman D. A., American Petroleum Institute A., Canes M. E. & Norman D. A. (1983). Analytics of take-or-pay provisions in natural gas contracts. Washington: American Petroleum Institute, API.

Chicago

Canes Michael E, Norman Donald A, American Petroleum Institute API, Canes Michael E and Norman Donald A. 1983. Analytics of take-or-pay provisions in natural gas contracts. Washington: American Petroleum Institute, API.

Harvard

Canes M. E., Norman D. A., American Petroleum Institute A., Canes M. E. and Norman D. A. (1983). Analytics of take-or-pay provisions in natural gas contracts. Washington: American Petroleum Institute, API.

MLA

Canes Michael E, Norman Donald A, American Petroleum Institute API, Canes Michael E and Norman Donald A. Analytics of take-or-pay provisions in natural gas contracts. Washington: American Petroleum Institute, API. 1983.