Παραπομπή APA

(1987). A comparative analysis of information on national industrial and expenditures. Washington: National Science Foundation.

Παραπομπή Chicago Style

A Comparative Analysis of Information On National Industrial and Expenditures. Washington: National Science Foundation, 1987.

Παραπομπή MLA

A Comparative Analysis of Information On National Industrial and Expenditures. Washington: National Science Foundation, 1987.

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