(1983). Philippine directory of population information sources, channels and users. The Institute of Mass Communication, University of the Philippines.
Citace podle Chicago (17th ed.)Philippine Directory of Population Information Sources, Channels and Users. Quezon City: The Institute of Mass Communication, University of the Philippines, 1983.
Citace podle MLA (9th ed.)Philippine Directory of Population Information Sources, Channels and Users. The Institute of Mass Communication, University of the Philippines, 1983.
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