Sevilla, A. V. (1961). Current practices in school athletics in fourteen public secondary schools in Manila. s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSevilla, Aurora Villacorta. Current Practices in School Athletics in Fourteen Public Secondary Schools in Manila. [Quezon City: s.n.], 1961.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSevilla, Aurora Villacorta. Current Practices in School Athletics in Fourteen Public Secondary Schools in Manila. s.n.], 1961.
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