Παραπομπή APA

(1967). Feasibility study and preliminary engineering report for the Riyadh International airport. Washington, D.C.: Airways Engineering Coproration.

Παραπομπή Chicago Style

Feasibility Study and Preliminary Engineering Report for the Riyadh International Airport. Washington, D.C.: Airways Engineering Coproration, 1967.

Παραπομπή MLA

Feasibility Study and Preliminary Engineering Report for the Riyadh International Airport. Washington, D.C.: Airways Engineering Coproration, 1967.

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