Mitchell, David A., author
Oxford University Press, 2014
Buku Referensi
edited by Keith J. Holyoak, Robert G. Morrison
Oxford University Press, 2012
Buku Teks
David Levi-Faur, editor
Oxford University Press, 2014
Buku Teks
Spickett, Gavin
Oxford University Press, 1999
Buku Referensi
edited by G.R. McLatchie and D.J. Leaper
Oxford University Press, 1996
Buku Referensi