APA (7th ed.) Citation

Boon, K. N. (2012). Malaysia, Brunei and Singapore: Banknotes and coins (6th ed.). Trigometric Sdn. Bhd.

Chicago Style (17th ed.) Citation

Boon, K. N. Malaysia, Brunei and Singapore: Banknotes and Coins. 6th ed. Selangor: Trigometric Sdn. Bhd, 2012.

MLA (9th ed.) Citation

Boon, K. N. Malaysia, Brunei and Singapore: Banknotes and Coins. 6th ed. Trigometric Sdn. Bhd, 2012.