Παραπομπή σε μορφή APA (7η εκδ.)

National Bureau of Economic Research & Ingram, G. K. (1977). Residential location and urban housing markets. Ballinger Pub.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Bureau of Economic Research και Gregory K. Ingram. Residential Location and Urban Housing Markets. Cambridge, Mass: Ballinger Pub, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

National Bureau of Economic Research και Gregory K. Ingram. Residential Location and Urban Housing Markets. Ballinger Pub, 1977.