APA (7th ed.) Citation

Ribbens, I. R. (1990). Language use in South Africa trade and industry. L.A.U.D.

Chicago Style (17th ed.) Citation

Ribbens, I. R. Language Use in South Africa Trade and Industry. Duisburg: L.A.U.D, 1990.

MLA (9th ed.) Citation

Ribbens, I. R. Language Use in South Africa Trade and Industry. L.A.U.D, 1990.

Warning: These citations may not always be 100% accurate.