APA (7th ed.) Citation

(2018). Combined mathematics: : 11 past papers with answers. Jeya Book Centre.

Chicago Style (17th ed.) Citation

Combined Mathematics: : 11 Past Papers with Answers. Colombo: Jeya Book Centre, 2018.

MLA (9th ed.) Citation

Combined Mathematics: : 11 Past Papers with Answers. Jeya Book Centre, 2018.

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