Downes, T. Antony
A textbook on contract
Blackstone Press, 1993
 Buku Teks
Downes, T. Antony
The textbook on contract
Black Stone Press, 1997
 Buku Teks
Burrows, William E.
Textbook of microbiology
W.B. Saunders, 1959
 Buku Teks
Rampal, K.K.
Textbook of photogrammetry
Oxford & IBH, 1982
 Buku Teks
Textbook of zoology
edited by Jeffery Parker, William A. Haswell
Macmillan, 1962
 Buku Teks