Παραπομπή σε μορφή APA (7η εκδ.)

Isard, W. (1956). Location and space-economy: A general theory relating to industrial location, market areas, land use, trade, and urban structure. M.I.T. Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Isard, Walter. Location and Space-economy: A General Theory Relating to Industrial Location, Market Areas, Land Use, Trade, and Urban Structure. Cambridge, Mass: M.I.T. Press, 1956.

Παραπομπή σε μορφή MLA (9th εκδ.)

Isard, Walter. Location and Space-economy: A General Theory Relating to Industrial Location, Market Areas, Land Use, Trade, and Urban Structure. M.I.T. Press, 1956.