Cabigon, J. V. (1976). Trend in mean age at first marriage on the basis of Cohort data: Philippines, 1973. s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCabigon, Josefina V. Trend in Mean Age at First Marriage on the Basis of Cohort Data: Philippines, 1973. [S.l: s.n.], 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCabigon, Josefina V. Trend in Mean Age at First Marriage on the Basis of Cohort Data: Philippines, 1973. s.n.], 1976.
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