Couger, J. Daniel, author
John Wiley & Sons, 1984
Buku Teks
Couger, J. Daniel, author
John Wiley & Sons, 1984
Buku Teks
Monro, Donald M., author
Edward Arnold, 1974
Buku Teks
Dover Publications , 1971
Buku Teks
Khan, Emdad H., author
Oxford & IBH Publishing, 1987
Buku Teks