APA ציטוט

Howie, S. (2002). English language proficiency and contextual factors influencing mathematics achievement of secondary school pupils in South Africa. PrintPartners.

Chicago Style (17th ed.) Citation

Howie, Sarah. English Language Proficiency and Contextual Factors Influencing Mathematics Achievement of Secondary School Pupils in South Africa. Enschede: PrintPartners, 2002.

ציטוט MLA

Howie, Sarah. English Language Proficiency and Contextual Factors Influencing Mathematics Achievement of Secondary School Pupils in South Africa. PrintPartners, 2002.