APA (7th ed.) Citation

Tennakoon, S., & Jayasekara, L. B. (2005). Primaray science grade 4. International Book House.

Chicago Style (17th ed.) Citation

Tennakoon, Seela, and L. B. Jayasekara. Primaray Science Grade 4. Kurunegala: International Book House, 2005.

MLA (9th ed.) Citation

Tennakoon, Seela, and L. B. Jayasekara. Primaray Science Grade 4. International Book House, 2005.

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