APA Style

Afzal, Muhammad, Helpman, Elhanan. (). Arket structure and foreign trade: increasing returns, imperfect competition, and the international economy . : .

Chicago Style

Afzal, Muhammad, Helpman, Elhanan. Arket structure and foreign trade: increasing returns, imperfect competition, and the international economy. : , . .

MLA Style

Afzal, Muhammad, Helpman, Elhanan. Arket structure and foreign trade: increasing returns, imperfect competition, and the international economy. : , . .

Turabian Style

Afzal, Muhammad, Helpman, Elhanan. Arket structure and foreign trade: increasing returns, imperfect competition, and the international economy. : , . .