Παραπομπή APA

(1976). Pre-disaster physical planning of human settlements. Geneva: United Nations.

Παραπομπή Chicago Style

Pre-disaster Physical Planning of Human Settlements. Geneva: United Nations, 1976.

Παραπομπή MLA

Pre-disaster Physical Planning of Human Settlements. Geneva: United Nations, 1976.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.