APA (7th ed.) Citation

Kay G. (2004). The missing keys. Penerbitan PCT Sdn. Bhd..

Chicago Style (17th ed.) Citation

Kay G. The Missing Keys. Seri Kembangan: Penerbitan PCT Sdn. Bhd., 2004.

MLA (9th ed.) Citation

Kay G. The Missing Keys. Penerbitan PCT Sdn. Bhd., 2004.

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