Cita APA

Ruggles, R. 1., & Ruggles, R. 1. (1949). An Introduction to National income and income analysis. New York, New York: McGraw-Hill.

Citación estilo Chicago

Ruggles, Richard 1916, y Richard 1916 Ruggles. An Introduction to National Income and Income Analysis. New York, New York: McGraw-Hill, 1949.

Cita MLA

Ruggles, Richard 1916, y Richard 1916 Ruggles. An Introduction to National Income and Income Analysis. New York, New York: McGraw-Hill, 1949.