Lansing, J. Stephen
Harcourt Brace College , 1995
Buku Teks
W.Van Hoeve, 1969
Buku Teks
Fuchs, Stephen
Asia Publishing House, 1963
Buku Teks
Brouwer, M.A.W. (Martinus Antonius Wesselinus), 1923-, author
Alumni, 1984
Buku Teks
CRM Books, 1971
Buku Teks