Stillman, John Maxson
Dover Publications, 1960
Buku Teks
Ihde, Aaron John
Dover Publications, 1984
Buku Referensi
Asimov, Isaac, author
Greenwood Press , 1979
Buku Teks
Kopp, Hermann, author
Springer, 2012
eBooks
Watson, C.W., author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2017
Artikel Jurnal