(1982). Rural roads development program II, final report: Quirino. [s.l.].
Cita Chicago (17th ed.)Rural Roads Development Program II, Final Report: Quirino. Norconsult A.S. and Renardet S.A: [s.l.], 1982.
Cita MLA (9th ed.)Rural Roads Development Program II, Final Report: Quirino. [s.l.], 1982.
Atenció: Aquestes cites poden no estar 100% correctes.