Ball, R. J. (1973). The international linkage of national economic models. North-Holland Pub. Co.; American Elsevier Pub. Co..
Lua i Stíl Chicago (17ú heag.)Ball, R. J. The International Linkage of National Economic Models. Amsterdam, New York: North-Holland Pub. Co.; American Elsevier Pub. Co., 1973.
Lua MLA (8ú heag.)Ball, R. J. The International Linkage of National Economic Models. North-Holland Pub. Co.; American Elsevier Pub. Co., 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.