Philippine Mass Communication Research Society & Philippine Survey & Research Center, Inc. (1977). Davao City quantitative coincidental radio survey: February, 1977. PSRC.
芝加哥风格引文Philippine Mass Communication Research Society 与 Inc Philippine Survey & Research Center. Davao City Quantitative Coincidental Radio Survey: February, 1977. [Quezon City: PSRC, 1977.
MLA引文Philippine Mass Communication Research Society 与 Inc Philippine Survey & Research Center. Davao City Quantitative Coincidental Radio Survey: February, 1977. PSRC, 1977.
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