Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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