APA (7th ed.) Citation

Boon, K. (2008). Malaysia Brunei & Singapore banknotes & coins. Trigometric Sdn.Bhd.

Chicago Style (17th ed.) Citation

Boon, K.N. Malaysia Brunei & Singapore Banknotes & Coins. Petaling Jaya: Trigometric Sdn.Bhd, 2008.

MLA (9th ed.) Citation

Boon, K.N. Malaysia Brunei & Singapore Banknotes & Coins. Trigometric Sdn.Bhd, 2008.

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