Nankervis, Alan R.
Thomas Nelson Australia, 1996
Buku Teks
Feza Tabassum Azmi
Cambridge University Press, 2019
eBooks
Randall S.Schuler, Susan E.Jackson, editor
Blackwell Publisher, 2000
Buku Teks
Mike Millmore, Philip Lewis, Mark Saunders, Adrian Thornhill, Trevor Morrow
Prentice-Hall, 2007
Buku Teks
Nankervis, Alan R.
Thomas Nelson Australia, 1996
Buku Teks