Παραπομπή APA

(1970). Design for environment: Northwestern Ontario region : phase 2: policy recommendations. Toronto: [s.n.].

Παραπομπή Chicago Style

Design for Environment: Northwestern Ontario Region : Phase 2: Policy Recommendations. Toronto: [s.n.], 1970.

Παραπομπή MLA

Design for Environment: Northwestern Ontario Region : Phase 2: Policy Recommendations. Toronto: [s.n.], 1970.

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