Szafran, Zvi
John Wiley & Sons, 1991
Buku Teks
Smith, Janice G., author
McGraw-Hill, 2015
Buku Teks
Malati, Mounir A.
Harwood Publishing, 1999
Buku Teks
Longman, 1998
Buku Teks
Dasent, W.E., author
Cambridge University Press; IKIP Semarang Press, 1982
Buku Teks