Holt-Jensen, A. (1980). Geography, its history and concepts: A student's guide. London: Harper & Row.
Trích dẫn kiểu ChicagoHolt-Jensen, Arild. Geography, Its History and Concepts: A Student's Guide. London: Harper & Row, 1980.
MLA CitationHolt-Jensen, Arild. Geography, Its History and Concepts: A Student's Guide. London: Harper & Row, 1980.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.