APA (7th ed.) Citation

Abdullah Khairi. (2015). Sound direct. PTS Publishing House Sendirian Berhad.

Chicago Style (17th ed.) Citation

Abdullah Khairi. Sound Direct. Batu Caves: PTS Publishing House Sendirian Berhad, 2015.

MLA (9th ed.) Citation

Abdullah Khairi. Sound Direct. PTS Publishing House Sendirian Berhad, 2015.

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