Spector, Ivar
Pusaka, 1917
Buku Teks
Spector, Ivar
Universtity of Washington Press, 1958
Buku Teks
Spector, Ivar
Van Nostrand Reinhold, 1949
Buku Teks
Bruhat,Jean, author
Pustaka Rakyat N.V, 1954
Buku Teks
Bruhat, Jean
Djakarta Pustaka Rakjat 1954
Buku Teks