Fifield, Russell H., author
Harper, 1958
Buku Teks
Weigh, Ken Shen
The Coomercial Press , 1928
Buku Teks
Buss, Claude Albert, author
Macmillan, 1941
Buku Teks
Ojha, Ishwer C.
Beacon Press, 1971
Buku Teks
Rifanisa Nurul Fitria, author
2017
UI - Tesis (Membership)