editor, A.E. Pegg
Portland Press, 1995
Buku Referensi
Pegg, A.E.
Portland Press, 1994
Buku Referensi
Chris D. Geddes, editor
[, Springer], 2012
eBooks
Lembaga Penelitian Universitas Brawijaya, {s.a.}
Majalah, Jurnal, Buletin
Holme, David J.
John Wiley & Sons, 1994
Buku Teks