Cheng, Tien-Hsi
Stevens and Sons , 1947
Buku Teks
Ball, J. Dyer
Kelly & Walsh, Limited, 1925
Buku Teks
Macmillan, 1943
Buku Teks
Chen, Yao, author
Chongging Publishing House, 2010
Buku Teks
Wenley, A.G., author
Smithsonian Institution, 1944
Buku Teks