References
- Ang , T. 2002 . Digital photographer’s handbook , New York : DK Publishing .
- Burchfield , J. , Jacobs , M. and Kokrda , K. 2001 . Photography in focus , 5th ed. , New York : Glencoe/McGraw-Hill .
- Clarke , S. 2004 . Seeing while being seen , Reston, VA : National Dance Association .
- London , B. and Upton , J. 1998 . Photography , 6th ed. , New York : Addison-Wesley .