Service, Elman R. (Elman Rogers), 1915-1996
Harper & Row, 1963
Buku Teks
Birket-Smith, Kaj
University of Wisconsin Press, 1965
Buku Teks
Linton, Ralph, 1893-1953
Field Museum Press, 1926
Buku Teks
Forde, C. Daryll
Metheun & Co. , 1963
Buku Teks
the National Museum of Ethnology, 1991
Buku Referensi