Burns, Edward McNall, 1897-1972, author
W.W. Norton & Company, 1973
Buku Teks
Burns, Edward McNall, 1897-1972, author
W.W Norton, 1984
Buku Teks
Otis, William Bradley, author
Barnes & Noble, [c1937]
Buku Teks
McNeill, William H., author
Prentice-Hall, 1990
Buku Referensi
Burns, Edward McNall, 1897-1972, author
WW Norton, 1974
Buku Teks