Stout, Melville B.
Prentice Hall of India, 1981
Buku Teks
Golding, E.W.
Pitman Paperbacks, 1970
Buku Teks
Korn, Granino A.
McGraw-Hill, 1965
Buku Teks
Kasatkin, A.S. (Aleksandr Sergeevich), 1899-
Mir, 1970
Buku Teks
Simpson, A.
Macmillan, 1981
Buku Teks