Philippines (Commonwealth). Bureau of Public Works. (1940). Official copy of the traffic rules and regulations on national roads of the Philippines. [s.n.
Chicagoスタイル(17版)引用形式Philippines (Commonwealth). Bureau of Public Works. Official Copy of the Traffic Rules and Regulations on National Roads of the Philippines. Manila: [s.n, 1940.
MLA(9版)引用形式Philippines (Commonwealth). Bureau of Public Works. Official Copy of the Traffic Rules and Regulations on National Roads of the Philippines. [s.n, 1940.
警告: この引用は必ずしも正確ではありません.