Cita APA (7th ed.)

(1971). Economic principles: Macroeconomic theory and. Macmillan.

Cita Chicago (17th ed.)

Economic Principles: Macroeconomic Theory and. New York: Macmillan, 1971.

Cita MLA (9th ed.)

Economic Principles: Macroeconomic Theory and. Macmillan, 1971.