University of the Philippines (Diliman). Institute of Mass Communication. (1982). Readership and utility of Initiatives in population, population events and PCF media services.
Cita Chicago (17th ed.)University of the Philippines (Diliman). Institute of Mass Communication. Readership and Utility of Initiatives in Population, Population Events and PCF Media Services. 1982.
Cita MLA (9th ed.)University of the Philippines (Diliman). Institute of Mass Communication. Readership and Utility of Initiatives in Population, Population Events and PCF Media Services. 1982.
Atenció: Aquestes cites poden no estar 100% correctes.