APA (7th ed.) Citation

Jayaweera, U. (2010). Science: Grade 09 work book (2010 new syllabus). Sadeepa.

Chicago Style (17th ed.) Citation

Jayaweera, Upali. Science: Grade 09 Work Book (2010 New Syllabus). Colombo: Sadeepa, 2010.

MLA (9th ed.) Citation

Jayaweera, Upali. Science: Grade 09 Work Book (2010 New Syllabus). Sadeepa, 2010.

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