Cita APA (7th ed.)

United States. Bureau of Public Roads. (1952). Report on the first prestressed concrete test beam in the Philippines. s.n.].

Cita Chicago (17th ed.)

United States. Bureau of Public Roads. Report on the First Prestressed Concrete Test Beam in the Philippines. [Manilan: s.n.], 1952.

Cita MLA (9th ed.)

United States. Bureau of Public Roads. Report on the First Prestressed Concrete Test Beam in the Philippines. s.n.], 1952.

Atenció: Aquestes cites poden no estar 100% correctes.