APA (7th ed.) Citation

Chico, E. T. (2009). Operating system and office applications: Teacher's manual (2nd ed.). Vibal Publishing House.

Chicago Style (17th ed.) Citation

Chico, Estrella T. Operating System and Office Applications: Teacher's Manual. 2nd ed. Quezon City, Phils: Vibal Publishing House, 2009.

MLA (9th ed.) Citation

Chico, Estrella T. Operating System and Office Applications: Teacher's Manual. 2nd ed. Vibal Publishing House, 2009.

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