APA (7th ed.) Citation

David, P. K. (1956). Gunasena's revision exercises in arithmetic for G.C.E. ordinary level. Gunasena.

Chicago Style (17th ed.) Citation

David, P. K. Gunasena's Revision Exercises in Arithmetic for G.C.E. Ordinary Level. Colombo: Gunasena, 1956.

MLA (9th ed.) Citation

David, P. K. Gunasena's Revision Exercises in Arithmetic for G.C.E. Ordinary Level. Gunasena, 1956.

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