APA (7th ed.) Citation

Ridwan Sanjana & Arina Darmawis. Mahir menguasai Facebook. Synergy Media.

Chicago Style (17th ed.) Citation

Ridwan Sanjana and Arina Darmawis. Mahir Menguasai Facebook. KL: Synergy Media.

MLA (9th ed.) Citation

Ridwan Sanjana and Arina Darmawis. Mahir Menguasai Facebook. Synergy Media.

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