APA (7th ed.) Citation

peter patilla. (1999). interactive mental maths. peter patilla.

Chicago Style (17th ed.) Citation

peter patilla. Interactive Mental Maths. TOKEY: peter patilla, 1999.

MLA (9th ed.) Citation

peter patilla. Interactive Mental Maths. peter patilla, 1999.

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