Mesterton-Gibbons, Michael
Addison-Wesley, 1991
Buku Teks
Heap, Shaun P. Hargreaves
Routledge, 1995
Buku Teks
Andriansyah
2015
UI - Tesis (Membership)
Thie, Paul R., author
John Wiley & Sons, 1979
Buku Teks
Kydd, Andrew H., 1963-, author
Cambridge University Press, 2015
Buku Teks