Παραπομπή σε μορφή APA (7η εκδ.)

Noponen, H., Graham, J., & Markusen, A. R. (1993). Trading industries, trading regions: International trade, American industry, and regional economic development. The Guilford Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Noponen, Helzi, Julie Graham, και Ann R. Markusen. Trading Industries, Trading Regions: International Trade, American Industry, and Regional Economic Development. New York: The Guilford Press, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Noponen, Helzi, et al. Trading Industries, Trading Regions: International Trade, American Industry, and Regional Economic Development. The Guilford Press, 1993.