edited by McGeorge Bundy
Houghton Mifflin, 1952
Buku Teks
Ahuja, Narendra, author
North Holland, 1983
Buku Teks
editor Norton Ginsburg
Prentice-Hall, 1958
Buku Teks
edited by Norton Sydney Ginsburg ... [and others]
Prentice-Hall, 1958
Buku Teks
Kiley, Henry E., author
International Textbook, 1952
Buku Teks