Cita APA (7th ed.)

Philippines Dept. of Public Works, Transportation and Communications. (1977). Analysis of typology dynamics: National level. DPWTC.

Cita Chicago (17th ed.)

Philippines Dept. of Public Works, Transportation and Communications. Analysis of Typology Dynamics: National Level. Quezon City: DPWTC, 1977.

Cita MLA (9th ed.)

Philippines Dept. of Public Works, Transportation and Communications. Analysis of Typology Dynamics: National Level. DPWTC, 1977.