Husserl, Edmund, author
Claassen & Goverts, 1948
Buku Teks
Pos, H.J., author
Van Loghum Slaterus, 1947
Buku Teks
Tidman, Paul, author
Wadsworth, 1999
Buku Teks
Hausman, Alan, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Feldman, Richard, author
Prentice-Hall, 1999
Buku Teks