APA (7th ed.) Citation

Ruwanella, L. H. S. R. (2004). Mathamatics workbook for grade 7. Vishwa Prabha.

Chicago Style (17th ed.) Citation

Ruwanella, L. H. Sunanda Rohitha. Mathamatics Workbook for Grade 7. Kegalle: Vishwa Prabha, 2004.

MLA (9th ed.) Citation

Ruwanella, L. H. Sunanda Rohitha. Mathamatics Workbook for Grade 7. Vishwa Prabha, 2004.

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