Παραπομπή APA

Shyam, S., & American Enterprise Institute for Public Policy Research. (1977). Oil industry profits. Washington: American Enterprise Institute for Public Policy Research.

Παραπομπή Chicago Style

Shyam, Sunder, and American Enterprise Institute for Public Policy Research. Oil Industry Profits. Washington: American Enterprise Institute for Public Policy Research, 1977.

Παραπομπή MLA

Shyam, Sunder, and American Enterprise Institute for Public Policy Research. Oil Industry Profits. Washington: American Enterprise Institute for Public Policy Research, 1977.

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