Penano, L. C. Z. (1973). Socio-psychological predictors of academic achievement. s.n.].
Chicagoスタイル(17版)引用形式Penano, Leticia Cecilia Zabala. Socio-psychological Predictors of Academic Achievement. [Quezon City: s.n.], 1973.
MLA(9版)引用形式Penano, Leticia Cecilia Zabala. Socio-psychological Predictors of Academic Achievement. s.n.], 1973.
警告: この引用は必ずしも正確ではありません.