Aqvist, Lennart, author
TBL Verlag G. Narr, 1975
Buku Teks
Hill, Fredrick J., author
John Wiley & Sons, 1981
Buku Teks
Shih, Hu
The Oriental Book, 1922
Buku Teks
Mowle, Frederic J., author
Addison-Wesley, 1976
Buku Teks
Greenstein, Carol Horn, author
Van Nostrand Reinhold, 1978
Buku Referensi