Philippine Mass Communication Research Society & Philippine Survey & Research Center, Inc. (1977). Davao City quantitative coincidental radio survey: February, 1977. PSRC.
Citace podle Chicago (17th ed.)Philippine Mass Communication Research Society a Inc Philippine Survey & Research Center. Davao City Quantitative Coincidental Radio Survey: February, 1977. [Quezon City: PSRC, 1977.
Citace podle MLA (9th ed.)Philippine Mass Communication Research Society a Inc Philippine Survey & Research Center. Davao City Quantitative Coincidental Radio Survey: February, 1977. PSRC, 1977.
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