Anastasiou, Michaelangelo, author
Routledge, 2020
Buku Teks
Kaligis, O.C. (Otto Cornelis), 1942-, author
O.C. Kaligis & Associates, 2006
Buku Teks
Elsevier, 2004
Buku Teks
edited by Edward Dumbauld
Liberal Arts Press, 1955
Buku Teks
Robinson, Marguerite S., author
Cambridge University Press, 1975
Buku Teks