Ruggles, R., & Ruggles, N. D. (1956). National income accounts and income analysis (2nd ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationRuggles, Richard, and Nancy D. Ruggles. National Income Accounts and Income Analysis. 2nd ed. New York, N.Y.: McGraw-Hill, 1956.
MLA (9th ed.) CitationRuggles, Richard, and Nancy D. Ruggles. National Income Accounts and Income Analysis. 2nd ed. McGraw-Hill, 1956.