Wasserman, P., O'Brien, J., & Clansky, K. (1980). Statistics sources: A subject guide to data on industrial, business, social, educational, financial, and other topics for the United States and internationally (6th ed.). Gale Research Co..
Цитирование в стиле Чикаго (17-е изд.)Wasserman, Paul, Jacqueline O'Brien, и Kenneth Clansky. Statistics Sources: A Subject Guide to Data on Industrial, Business, Social, Educational, Financial, and Other Topics for the United States and Internationally. 6th ed. Detroit, Mich.: Gale Research Co., 1980.
Цитирование MLA (8-е изд.)Wasserman, Paul, et al. Statistics Sources: A Subject Guide to Data on Industrial, Business, Social, Educational, Financial, and Other Topics for the United States and Internationally. 6th ed. Gale Research Co., 1980.