Neimark, Edith D.
Harcourt Brace Javanovich, 1987
Buku Teks
Whitehead, Alfred North, 1861-1947
The New American Library, 1933
Buku Teks
Gallup, George
McGraw-Hill, 1982
Buku Teks
Lucie-Smith, Edward
Thames and Hudson, 1994
Buku Teks
De Landa, Manuel
Polity, 2017
Buku Teks