APA (7th ed.) Citation

Sasikala Nallaya & Leela Chakrabarty. (2006). Polish your English: A textbook for English language proficiency courses. Penerbit Universiti Pendidikan Sultan Idris.

Chicago Style (17th ed.) Citation

Sasikala Nallaya and Leela Chakrabarty. Polish Your English: A Textbook for English Language Proficiency Courses. Tanjong Malim, Perak: Penerbit Universiti Pendidikan Sultan Idris, 2006.

MLA (8th ed.) Citation

Sasikala Nallaya and Leela Chakrabarty. Polish Your English: A Textbook for English Language Proficiency Courses. Penerbit Universiti Pendidikan Sultan Idris, 2006.