Hsieh, Chiao-min, 1921-
Macmillan Publishing Co, 1995
Buku Referensi
Pick, James B.
Westview , 1989
Buku Referensi
De Paredes, Ellen Shaw
Wolters Kluwer, Lippincott Williams & Wilkins, 2007
Buku Referensi
Dodd, Everett E.
McGraw-Hill, 1979
Buku Teks SO
Rhodin, Johannes A.G.
"London: W B Saunders, 1963",
Buku Teks