Programme for International Student Assessment, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Equally prepared for life?: How 15-year-old boys and girls perform in school. OECD.
Dyfyniad Arddull ChicagoProgramme for International Student Assessment, Organisation for Economic Co-operation and Development, and ProQuest (Firm). Equally Prepared for Life?: How 15-year-old Boys and Girls Perform in School. Paris: OECD, 2009.
Dyfyniad MLAProgramme for International Student Assessment, et al. Equally Prepared for Life?: How 15-year-old Boys and Girls Perform in School. OECD, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.