Fransman, Martin, author
Cambridge University Press, 1991
Buku Teks
Ankara, Turkey : SESRTCIC
Majalah, Jurnal, Buletin
Fellner, William, 1905-, author
Alfred A. Knopf, 1949
Buku Teks
Diamond, A. S. (Arthur Sigismund), author
Johnson`s, 1950
Buku Teks
Boas, Franz, 1858-1942, author
Dover Publication, 1955
Buku Teks