Cochrane, Jennifer
Tiger Books, 1996
Buku Teks SO
Cochrane, Jennifer
Tiger Books, 1996
Buku Teks SO
Seth, Michael J.
Littlefield, 2011
Buku Teks
editor, Kenneth F. Kiple ; executive editor, Rachael Rockwell Graham ; associate editors, David Frey [and others] ; assistant editors, Alicia Browne [and others]
Cambridge University Press, 1995
Buku Referensi
Sorensen, Bent
Earthscan, 2011
Buku Teks SO