APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Kay G. The Missing Keys. Selangor: Penerbitan PCT, 2004.

MLA (9th ed.) Citation

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

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