APA (7th ed.) Citation

Heinemann. Heinemann Mathematics 9: Extension Text Book. Heinemann Educational.

Chicago Style (17th ed.) Citation

Heinemann. Heinemann Mathematics 9: Extension Text Book. UK: Heinemann Educational.

MLA (9th ed.) Citation

Heinemann. Heinemann Mathematics 9: Extension Text Book. Heinemann Educational.

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