Παραπομπή σε μορφή APA (7η εκδ.)

FERRY, D. J. (1991). Cost Planning Of Buildings Douglas J. Ferry And Peter S. Brandon. BSP Professional Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

FERRY, Douglas J. Cost Planning Of Buildings Douglas J. Ferry And Peter S. Brandon. BSP Professional Books, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

FERRY, Douglas J. Cost Planning Of Buildings Douglas J. Ferry And Peter S. Brandon. BSP Professional Books, 1991.