APA aipamena

Markusen, J. R., & Maskus, K. E. (2001). A unified approach to intra-industry trade and direct foreign investment. National Bureau of Economic Research.

Chicago Style aipamena

Markusen, James R., and Keith E. Maskus. A Unified Approach to Intra-industry Trade and Direct Foreign Investment. Cambridge: National Bureau of Economic Research, 2001.

MLA aipamena

Markusen, James R., and Keith E. Maskus. A Unified Approach to Intra-industry Trade and Direct Foreign Investment. National Bureau of Economic Research, 2001.