Cita APA (7th ed.)

Barrett, N. S. (1975). The theory of macroeconomics policy (2a. ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Barrett, Nancy Smith. The Theory of Macroeconomics Policy. 2a. ed. Englewood Cliffs: Prentice-Hall, 1975.

Cita MLA (9th ed.)

Barrett, Nancy Smith. The Theory of Macroeconomics Policy. 2a. ed. Prentice-Hall, 1975.