APA-Zitierstil (7. Ausg.)

Helpman, E., & Krugman, P. R. (2002). Market structure and foreign trade: Increasing returns, imperfect competition, and the international economy (8. print.). MIT Press.

Chicago-Zitierstil (17. Ausg.)

Helpman, Elhanan, und Paul R. Krugman. Market Structure and Foreign Trade: Increasing Returns, Imperfect Competition, and the International Economy. 8. print. Cambridge, Mass. [u.a.]: MIT Press, 2002.

MLA-Zitierstil (9. Ausg.)

Helpman, Elhanan, und Paul R. Krugman. Market Structure and Foreign Trade: Increasing Returns, Imperfect Competition, and the International Economy. 8. print. MIT Press, 2002.