APA (7th ed.) Citation

Sirimanna, I. G.C.E.(O.Level) Science: Paper I & II.

Chicago Style (17th ed.) Citation

Sirimanna, Indra. G.C.E.(O.Level) Science: Paper I & II.

MLA (9th ed.) Citation

Sirimanna, Indra. G.C.E.(O.Level) Science: Paper I & II.

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