APA (7th ed.) Citation

Wijesekara, J. MATHEMATICS WORK BOOK GRADE 7. Thusitha.

Chicago Style (17th ed.) Citation

Wijesekara, Janaki. MATHEMATICS WORK BOOK GRADE 7. Ratmalana: Thusitha.

MLA (9th ed.) Citation

Wijesekara, Janaki. MATHEMATICS WORK BOOK GRADE 7. Thusitha.

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