Παραπομπή σε μορφή APA (7η εκδ.)

Ferry, D. J. (1991). Cost planning of buildings (sixth edition.). BSP Professional Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ferry, Douglas J. Cost Planning of Buildings. sixth edition. Oxford: BSP Professional Books, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ferry, Douglas J. Cost Planning of Buildings. sixth edition. BSP Professional Books, 1991.