APA
University of Columbia G. S. o. B. A. A., University of Columbia G. S. o. B. A. A., . (1956). Representation of the United States abroad. : .
Chicago
University of Columbia Graduate School of Business American Assembly, University of Columbia Graduate School of Business American Assembly, . 1956. Representation of the United States abroad. : .
Harvard
University of Columbia G. S. o. B. A. A., University of Columbia G. S. o. B. A. A., . (1956). Representation of the United States abroad. : .
MLA
University of Columbia Graduate School of Business American Assembly, University of Columbia Graduate School of Business American Assembly, . Representation of the United States abroad. : . 1956.