Greer, Nora Richter
Rockport Publishers, 1998
Buku Teks
McNeill, William H.
Unoiversity Of Chicago, 1954
Buku Teks
Augustynek, Zdzislaw
Kluwer Academic, 1989
Buku Teks
Monica Janowski, Tim Ingold.
Routledge, 2016
Buku Teks
Petrov, Vladimir
American Institute fo Public Research, 1975
Buku Teks