APA (7th ed.) Citation

Alahendra, D. (2015). Science: : Grade 7 (15th printing.). Master Guide Publication.

Chicago Style (17th ed.) Citation

Alahendra, Dharmasiri. Science: : Grade 7. 15th printing. Colombo: Master Guide Publication, 2015.

MLA (9th ed.) Citation

Alahendra, Dharmasiri. Science: : Grade 7. 15th printing. Master Guide Publication, 2015.

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