APA aipamena

Brakman, S., Garretsen, H., & Marrewijk, C. v. (2001). An introduction to geographical economics: Trade, location and growth. Cambridge ; New York: Cambridge University Press.

Chicago Style aipamena

Brakman, Steven, Harry Garretsen, và Charles van Marrewijk. An Introduction to Geographical Economics: Trade, Location and Growth. Cambridge ; New York: Cambridge University Press, 2001.

MLA aipamena

Brakman, Steven, Harry Garretsen, và Charles van Marrewijk. An Introduction to Geographical Economics: Trade, Location and Growth. Cambridge ; New York: Cambridge University Press, 2001.