Hope, Terry
Better Picture Guide to Black and withe photography 2
RotoVision SA, 2001
Buku Teks SO
Busselle, Michael
Better Picture Guide to Black & white photography
RotoVision, 1989
Buku Teks SO
Busselle, Michael
Better Picture Guide to Black & white photography
RotoVision, 1998
Buku Teks SO
Burt, Angela
A Guide to better spelling
Stanley Thornes, 1995
Buku Referensi
Wilson, George P.
A guide to better english
F.S. Crofts, 1947
Buku Teks