Black, James Menzies, author
Pustaka Binawan Pressindo, 1987
Buku Teks
Kay, Brian R.
McGraw-Hill Book Company, Inc, 1961
Buku Teks
Tagliaferri, Louise E.
John Wiley & Sons, 1979
Buku Teks
Bittel, Lester Robert, author
Pustaka Binaman Pressindo , 1994
Buku Teks
Bittel, Lester Robert, author
Tata McGraw-Hill, 1974
Buku Teks