edited by F.A. Berry, E. Bollay, Norman R. Beeers
McGraw-Hill, 1973
Buku Referensi
edited by John F. Griffith
Oxford University Press, 1994
Buku Referensi
Donn, William L., author
McGraw-Hill, 1965
Buku Teks
Kelkar, R.R., author
BS Publications, 2017
Buku Teks
Petterssen, Sverre, author
McGraw-Hill, 1958
Buku Teks