APA (7th ed.) Citation

Heinemann, G. c. 2. J. (2004). Investigating English (First edition.). Unisa Press.

Chicago Style (17th ed.) Citation

Heinemann, Glenda ca. 20./21. Jh. Investigating English. First edition. Pretoria: Unisa Press, 2004.

MLA (9th ed.) Citation

Heinemann, Glenda ca. 20./21. Jh. Investigating English. First edition. Unisa Press, 2004.