APA aipamena

Slack, E. R. (1970). The effect of the U. S. international telecommunications industry on the United States balance of payments. London: University Microfilms International.

Chicago Style aipamena

Slack, Edward Robert. The Effect of the U. S. International Telecommunications Industry On the United States Balance of Payments. London: University Microfilms International, 1970.

MLA aipamena

Slack, Edward Robert. The Effect of the U. S. International Telecommunications Industry On the United States Balance of Payments. London: University Microfilms International, 1970.