Holman, C. Hugh, author
University of Minnesota Press, 1960
Buku Teks
Mcelderry, B. R., Jr.
University of Southern, 1964
Buku Teks
Ny. Charles Scribner's, 1956
Buku Teks
Fisher, Vardis
A. Swallow, 1963
Buku Teks
Ira Hapsary Subagio, author
Universitas Indonesia, 1996
UI - Tesis (Membership)