APA
Ruggles N. D., Ruggles R., . (1999). National accounting and economic policy: The United States a. Cheltenham: Edward Elgar.
Chicago
Ruggles Nancy D, Ruggles Richard, . 1999. National accounting and economic policy: The United States a. Cheltenham: Edward Elgar.
Harvard
Ruggles N. D., Ruggles R., . (1999). National accounting and economic policy: The United States a. Cheltenham: Edward Elgar.
MLA
Ruggles Nancy D, Ruggles Richard, . National accounting and economic policy: The United States a. Cheltenham: Edward Elgar. 1999.