APA ציטוט

van Bergeijk, P. A. G. (2011). Gravity Model in International Trade: Advances and Applications. Cambridge University Press.

Chicago Edition Citation

van Bergeijk, Peter A. G. Gravity Model in International Trade: Advances and Applications. Cambridge University Press, 2011.

ציטוט MLA

van Bergeijk, Peter A. G. Gravity Model in International Trade: Advances and Applications. Cambridge University Press, 2011.