Citazione Stile APA (7a Edizione)

Ruggles, R., & Ruggles, N. D. (1956). National income accounts and income analysis. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Ruggles, Richard, e Nancy D. Ruggles. National Income Accounts and Income Analysis. Nueva York: McGraw-Hill, 1956.

Citatione MLA (9a ed.)

Ruggles, Richard, e Nancy D. Ruggles. National Income Accounts and Income Analysis. McGraw-Hill, 1956.