Reyes, Gilbert
Praeger , 2006
Buku Teks
Rio, Angel del
Holt, Rinehart and Winston, Inc., 1961
Buku Teks SO
edited by Rifat Latifi, Ronald K. Poropatich, George J. Hadeed
Artech house, 2011
Buku Teks SO
edited by Rifat Latifi; contributor, Ronald K. Poropatich, George J. Hadeed
Artech House, 2011
Buku Teks
Porth, Carol Mattson
J.B. Lippincott, 1998
Buku Teks SO