CLARK GORDON L. (2003). OXFORD HANDBOOK OF ECONOMIC GEOGRAPHY. OXFORD UNIVERSITY PRESS.
Lua i Stíl Chicago (17ú heag.)CLARK GORDON L. OXFORD HANDBOOK OF ECONOMIC GEOGRAPHY. NEW YORK: OXFORD UNIVERSITY PRESS, 2003.
Lua MLA (9ú heag.)CLARK GORDON L. OXFORD HANDBOOK OF ECONOMIC GEOGRAPHY. OXFORD UNIVERSITY PRESS, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.