Beaty, Wayne H., editor
McGraw-Hill Publishing Company, 1990
Buku Referensi
Chhalotra, G.P.,
Khanna, 1980
Buku Teks
Bolton, W. (William), 1933-, author
Longman Scientific & Technical, 1992
Buku Teks
Johnson, James H., author
International Textbook, 1965
Buku Teks
Kasatkin, A. S. (Aleksandr Sergeevich), 1899-, author
Mir Publishers, 1970
Buku Teks