Ovezon, B.
Turkmenistan Pub. House, 1967.
Buku Teks
Young, A.S. "Doc"
Johnson Publishing Co., 1963
Buku Teks
May, Karl
Pustaka Primatama, 2005
Buku Teks
Baldwin, James, 1924-1987
Dell Publishing, 1961
Buku Teks
Rees, Jenny
Weidenfeld & Nicolson , 1994
Buku Teks