APA ציטוט

Ault, D. E. (1969). The determinants of world steel exports: An empirical study. New York: University Microfilms International.

Trích dẫn kiểu Chicago

Ault, David Earl. The Determinants of World Steel Exports: An Empirical Study. New York: University Microfilms International, 1969.

ציטוט MLA

Ault, David Earl. The Determinants of World Steel Exports: An Empirical Study. New York: University Microfilms International, 1969.