Arthanari, T.S., author
John Wiley & Sons, 1981
Buku Teks
Hoel, Paul Gerhard, 1905-, author
John Wiley & Sons, 1962
Buku Teks
Mood, Alexander McFarlane, 1913-, author
McGraw-Hill , 1974
Buku Teks
Erricker, B.C.
Hodder & Stoughton , 1981
Buku Teks
Freeman, Harold Adolph, author
Addison-Wesley, 1963
Buku Teks