Cita APA

Travis, W. P. (1964). Theory of trade and proterction. Harvard Univ. pre.

Citación estilo Chicago

Travis, William Penfield. Theory of Trade and Proterction. Cambridge: Harvard Univ. pre, 1964.

Cita MLA

Travis, William Penfield. Theory of Trade and Proterction. Harvard Univ. pre, 1964.

Warning: These citations may not always be 100% accurate.