APA (7th ed.) Citation

Keerthisinghe, P. I. (2015). English for technology part 1. Author.

Chicago Style (17th ed.) Citation

Keerthisinghe, P. I. English for Technology Part 1. Galle: Author, 2015.

MLA (9th ed.) Citation

Keerthisinghe, P. I. English for Technology Part 1. Author, 2015.

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