Christou, Richard
Sweet and Maxwell, 2010
Multimedia
Christou, Richard
Sweet & Maxwell, 2010
Buku Teks SO
Kohan, Anthony Lawrence
McGraw-Hill, 1995
Buku Referensi
Rao, R. Kavita
Cambridge University Press, 2019
eBooks
Chase, Richard B.
Irwin , 1995
Buku Teks SO