Uy, B. Y. (1979). Motivation, social origin and school achievement: A rural profile. Institute of Research, University of Negros Occidental-Recoletos.
Dyfyniad Arddull ChicagoUy, Bichin Y. Motivation, Social Origin and School Achievement: A Rural Profile. [Bacolod City]: Institute of Research, University of Negros Occidental-Recoletos, 1979.
Dyfyniad MLAUy, Bichin Y. Motivation, Social Origin and School Achievement: A Rural Profile. Institute of Research, University of Negros Occidental-Recoletos, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.