Phillips, John L
W H Freeman and Co. , 1969
Buku Teks
Benda, Julien, author
Gramedia Pustaka Utama, 1997
Buku Teks
Fifi F. Embut, author
1989
UI - Skripsi (Membership)
Viaud, Gaston
Hutchirson & Co., 1968
Buku Teks
Marbun, Johannes, author
1997
UI - Tesis (Membership)