Gallagher, John P., author
Prentice-Hall, 1988
Buku Teks
Rodrigue, Jean-Paul, 1967-, author
Rotledge, 2013
Buku Teks
Temporal, Paul
John Wiley & Sons, 2011
Buku Teks
edited by Victor Lazzaro
Prentice-Hall, 1968
Buku Referensi
Negoita, Constantin Virgil, author
The Benjamin Cumming Pub., 1985
Buku Teks