Παραπομπή APA

(1974). A manual for planning pedestrian facilities. Washington, D.C: Department of transportation.

Παραπομπή Chicago Style

A Manual for Planning Pedestrian Facilities. Washington, D.C: Department of transportation, 1974.

Παραπομπή MLA

A Manual for Planning Pedestrian Facilities. Washington, D.C: Department of transportation, 1974.

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