Broad, C.D., author
Littlefield, Adams, 1959
Buku Teks
Broad, C.D., author
Littlefield, Adams, 1959
Buku Teks
New York : The Light, 2007,
Majalah, Jurnal, Buletin
Mason, Stephen S., author
Henry Schuman, 1953
Buku Teks
Needham, Joseph, author
Cambridge University Press, 1956
Buku Teks