White, James R.H.
McGraw-Hill, 1975
Buku Teks
Dersal, William R. Van
Harper & Brother, 1962
Buku Teks
Haimann, Theo
South-Western Pub., 1982
Buku Teks
Bittel, Lester Robert
Pustaka Binaman Pressindo , 1994
Buku Teks
Bittel, Lester Robert
McGraw-Hill, 1985
Buku Teks