Rokhlin, L
Foreign Languages, 1958
Buku Teks
Moo,Harriet L
Princeton University press, 1945
Buku Teks
edited Prajudi Atmosudirdjo...[et al.]
Ghalia Indonesia, 1986
Buku Teks
Goldmand, Marshal I., author
The Free Press of Glencoe, 1963
Buku Teks
Lamont, Corliss, author
Philosophical Library, 1952
Buku Teks