Routledge, 2017
eBooks
Choi, Jae-sok, 1926-, author
Jimoondang , 2011
Buku Teks
Levy, Reuben
The University Press, 1957
Buku Teks
Collins, Orvis, author
Mouton, 1973
Buku Teks
edited by Paul Bohannan and John Middleton
Natural History Press, 1968
Buku Teks