Hacker, Arthur
Tuttle Publishing, 2004
Buku Teks SO
Yuan, Tongli
Far Eastern Publications, Yale University, 1958
Buku Referensi
Artikel Jurnal
Cheng, Tien-Hsi
Stevens and Sons , 1947
Buku Teks SO
McDougall, Bonnie
The Center for east Asia Cultural Studies, 1971
Buku Teks SO