Παραπομπή σε μορφή APA (7η εκδ.)

Newman, O. (1996). Creating defensible space. U.S. Department of Housing and Urban Development. Office of Policy Development and Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Newman, Oscar. Creating Defensible Space. Washington D.C: U.S. Department of Housing and Urban Development. Office of Policy Development and Research, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

Newman, Oscar. Creating Defensible Space. U.S. Department of Housing and Urban Development. Office of Policy Development and Research, 1996.