APA (7th ed.) Citation

Abdullah Khairi, Norashikin Wahid, & Siti Amira Mohd Din. (2015). #Sound Direct. PTS Publishing House Sendirian Berhad.

Chicago Style (17th ed.) Citation

Abdullah Khairi, Norashikin Wahid, and Siti Amira Mohd Din. #Sound Direct. Batu Caves, Selangor: PTS Publishing House Sendirian Berhad, 2015.

MLA (9th ed.) Citation

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

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