APA (7th ed.) Citation

Qayyum Nur. (2011). Surat biru dakwat ungu. PTS Litera Utama.

Chicago Style (17th ed.) Citation

Qayyum Nur. Surat Biru Dakwat Ungu. Selangor: PTS Litera Utama, 2011.

MLA (8th ed.) Citation

Qayyum Nur. Surat Biru Dakwat Ungu. PTS Litera Utama, 2011.

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