Gross, Martin D.
Airlangga University Press, 1991
Buku Teks SO
Terry, Douglas A.
Quintessence Publishing Co, Inc, 2013
Buku Referensi
Terry, Douglas A.
Quintessence Publishing Co, Inc, 2013
Buku Teks SO
Thomson, Hamish
Wright , 1990
Buku Teks SO
Luiz Narciso Baratieri, Sylvio Monteiro Jr., Tiago Spezia de Melo, Kazuza Bueno Ferreira da Rocha
Quintessence Editora, 2014
Buku Teks SO