Sevilla, A. V. (1961). Current practices in school athletics in fourteen public secondary schools in Manila. s.n.].
芝加哥风格引文Sevilla, Aurora Villacorta. Current Practices in School Athletics in Fourteen Public Secondary Schools in Manila. [Quezon City: s.n.], 1961.
MLA引文Sevilla, Aurora Villacorta. Current Practices in School Athletics in Fourteen Public Secondary Schools in Manila. s.n.], 1961.
警告：这些引文格式不一定是100％准确.