- Author: Wilifred L.F. Armarego (Auth.)
- Language: English
- Year: 2017
- Author: W.L.F. Armarego Christina Chai
- Language: English
- Year: 2012
- Author: Armarego W.L.F. Li Lin Chai C.
- Language: English
- Year: 2003
- Author: W.L.F. Armarego Christina Chai
- Language: English
- Year: 2012
- Author: Wilfred L.F. Armarego and Christina Li Lin Chai (Auth.)
- Language: English
- Year: 2003
- Author: W. L. F. Armarego Christina Li Lin Chai
- Language: English
- Year: 2009
- Author: W. L. F. Armarego
- Language: English
- Year: 1997
- Author: W.L.F. Armarego Christina Chai
- Language: English
- Year: 2009
- Author: W.L.F. Armarego Christina Chai
- Language: English
- Year: 2003