Παραπομπή APA

Ricker, E. R. (1957). Traffic design of parking garages. Connecticut: The Eno Foundation for Highway Traffic Control.

Παραπομπή Chicago Style

Ricker, Edmund R. Traffic Design of Parking Garages. Connecticut: The Eno Foundation for Highway Traffic Control, 1957.

Παραπομπή MLA

Ricker, Edmund R. Traffic Design of Parking Garages. Connecticut: The Eno Foundation for Highway Traffic Control, 1957.

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