एपीए उद्धरण

Ruggles, R., & Ruggles, N. D. (1956). National Income Accounts and Income Analysis. New York: McGraw-Hill Book.

शिकागो स्टाइल उद्धरण

Ruggles, Richard, और Nancy D. Ruggles. National Income Accounts and Income Analysis. New York: McGraw-Hill Book, 1956.

एमएलए उद्धरण

Ruggles, Richard, और Nancy D. Ruggles. National Income Accounts and Income Analysis. New York: McGraw-Hill Book, 1956.