Lua APA (7ú heag.)

Limao, N., & Venables, A. (1999). Geographical Disadvantage: A Heckscher-Ohlin-Von Thunen model of International Specialization. CEPR.

Lua i Stíl Chicago (17ú heag.)

Limao, N., agus A. Venables. Geographical Disadvantage: A Heckscher-Ohlin-Von Thunen Model of International Specialization. CEPR, 1999.

Lua MLA (9ú heag.)

Limao, N., agus A. Venables. Geographical Disadvantage: A Heckscher-Ohlin-Von Thunen Model of International Specialization. CEPR, 1999.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.