Παραπομπή APA

Hallwood, P., & Sinclair, S. W. (1981). Oil, dept and development: OPEC in the Third World. London: Allen & Unwin.

Παραπομπή Chicago Style

Hallwood, Paul., and Stuart W. Sinclair. Oil, Dept and Development: OPEC in the Third World. London: Allen & Unwin, 1981.

Παραπομπή MLA

Hallwood, Paul., and Stuart W. Sinclair. Oil, Dept and Development: OPEC in the Third World. London: Allen & Unwin, 1981.

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