Παραπομπή APA

(1970). City of Riyadh: Study for the improvement of urban roads : preliminary project. Riyadh, Saudi Arabia: Sauti Consulting Engineers.

Παραπομπή Chicago Style

City of Riyadh: Study for the Improvement of Urban Roads : Preliminary Project. Riyadh, Saudi Arabia: Sauti Consulting Engineers, 1970.

Παραπομπή MLA

City of Riyadh: Study for the Improvement of Urban Roads : Preliminary Project. Riyadh, Saudi Arabia: Sauti Consulting Engineers, 1970.

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