Guthrie, Pat
McGraw-Hill, 2010
Buku Referensi
Allen, Edward
John Wiley & Sons, 2012
Buku Teks
Rajapakse, Ruwan
Elsevier/Butterworth-Heinemann, , 2008
Buku Teks
Muhammad Tesar Pamungkas
McGraw-Hill, 2002
Buku Teks
Gulf Publishing Company, 1998
Buku Teks