Orilia, Lawrence, author
John Wiley & Sons, 1972
Buku Teks
McLeod, Raymond, author
John Wiley & Sons, 1982
Buku Teks
McLeod, Raymond, author
John Wiley & Sons, 1982
Buku Teks
Clifton, H.D.
Auerbach, 1971
Buku Teks
Forkner, Irvine, author
John Wiley & Sons, 1973
Buku Teks