Cita APA (7th ed.)

Caves, R. E. (1980). Trade and economic strcture: Models and methods. mass harvard.

Cita Chicago (17th ed.)

Caves, Richard E. Trade and Economic Strcture: Models and Methods. cambridge: mass harvard, 1980.

Cita MLA (9th ed.)

Caves, Richard E. Trade and Economic Strcture: Models and Methods. mass harvard, 1980.