Παραπομπή APA

(1964). A reference guide to metropolitan transportation: An annotated bibliography. Illinois: Northwestern University.

Παραπομπή Chicago Style

A Reference Guide to Metropolitan Transportation: An Annotated Bibliography. Illinois: Northwestern University, 1964.

Παραπομπή MLA

A Reference Guide to Metropolitan Transportation: An Annotated Bibliography. Illinois: Northwestern University, 1964.

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