APA (7th ed.) Citation

Ratnayake, W. (2010). Mathematics: Model question papers for G. C. E. (O/L) examination based on new syllabus (section - 2). Sadeepa.

Chicago Style (17th ed.) Citation

Ratnayake, W. Mathematics: Model Question Papers for G. C. E. (O/L) Examination Based on New Syllabus (section - 2). Colombo: Sadeepa, 2010.

MLA (9th ed.) Citation

Ratnayake, W. Mathematics: Model Question Papers for G. C. E. (O/L) Examination Based on New Syllabus (section - 2). Sadeepa, 2010.

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