Cita APA (7th ed.)

Heller, H. R. (1974). International monetary economics. Prentice-Hall.

Cita Chicago (17th ed.)

Heller, H. Robert. International Monetary Economics. Englewood Cliffs ; London: Prentice-Hall, 1974.

Cita MLA (8th ed.)

Heller, H. Robert. International Monetary Economics. Prentice-Hall, 1974.