Gaya APA

Abeywickrama, H, D, B, P. (2010). LANGUAGE ASSESSMENT Principles and Classroom Practices (2). : Pearson Longman.

Gaya MLA

Abeywickrama, H., Douglas, Brown, Priyanvada. "LANGUAGE ASSESSMENT Principles and Classroom Practices". 2 : Pearson Longman, 2010. Text.