Hansson, P. (1989). Intra-industry trade: Measurements, determinants and growth ; a study of Swedish foreign trade. University of Umeå.
Lua i Stíl Chicago (17ú heag.)Hansson, Pär. Intra-industry Trade: Measurements, Determinants and Growth ; a Study of Swedish Foreign Trade. Umeå: University of Umeå, 1989.
Lua MLA (8ú heag.)Hansson, Pär. Intra-industry Trade: Measurements, Determinants and Growth ; a Study of Swedish Foreign Trade. University of Umeå, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.