Gaya APA

Marrewijk, S, B, H, G, A, C, V. (2001). An Introduction to Geographical Economics Trade, Location and Growth . New York: Cambridge University Press.

Gaya MLA

Marrewijk, Steven, Brakman, Harry, Garretsen, And, Charles, Van. "An Introduction to Geographical Economics Trade, Location and Growth". New York: Cambridge University Press, 2001. Text.