Schurmann, Franz, author
Vintage Books, 1967
Buku Teks
Schwartz, Benjamin, author
Harvard University Press, 1952, 1961
Buku Teks
Schwartz, Benjamin, author
Harper Torchbooks and The Academy Library, 1967
Buku Teks
Bunyan, James
The Johns Hopkins Press, 1936
Buku Teks
Union of Chambers of Commerce, Industry, Maritime Commerce and Commodity Exchanges of Turkey, 1981
Buku Teks