Brewer, Richard
Saunders College Publishing, 1982
Buku Teks
Lethbridge, Henry J.
Hong Kong Dragonfly Books 1965
Buku Teks
Beijing Beijing Yuyan Wenhua Daxuie Chubanshe 2000
Buku Referensi
Quinlan, David
Mandarin, 1994
Buku Referensi
Hibbison, Eric
Prentice-Hall, 1984
Buku Referensi