Niebuhr, Reinhold, author
Charles Scribners Sons, 1945
Buku Teks
Senet, Andre, author
McGraw-Hill, 1956
Buku Teks
Odum, Howard T., author
McGraw-Hill, 1981
Buku Teks
Moran, Emilio F, author
John Wiley & Sons, Incorporated, 2017
Buku Teks
Watson, Richard A., author
Harcourt, Brace and World, 1969
Buku Teks