Beringuel, R. P. A study of the service load of public secondary school teachers in the City of Manila [microform]. Photoduplication Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeringuel, Rosario Penaranda. A Study of the Service Load of Public Secondary School Teachers in the City of Manila [microform]. Quezon City: Photoduplication Service.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBeringuel, Rosario Penaranda. A Study of the Service Load of Public Secondary School Teachers in the City of Manila [microform]. Photoduplication Service.
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