Lucas, Henry C.
Columbia University Press, 1974
Buku Teks
Stoecker, Wilbert Frederick
McGraw-Hill , 1989
Buku Teks
Amiri, Iraj Sadegh
Springer Nature, 2019
eBooks
Hargreaves, Martin
Longman, 1996
Buku Teks SO
Boardman, John
Prentice-Hall, 1990
Buku Teks SO