Παραπομπή APA

(1970). City of Riyadh: Fast traffic system : proposal for a long term solution. Riyadh, Saudi Arabia: Sauti Consulting Engineers.

Παραπομπή Chicago Style

City of Riyadh: Fast Traffic System : Proposal for a Long Term Solution. Riyadh, Saudi Arabia: Sauti Consulting Engineers, 1970.

Παραπομπή MLA

City of Riyadh: Fast Traffic System : Proposal for a Long Term Solution. Riyadh, Saudi Arabia: Sauti Consulting Engineers, 1970.

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