Start to sign [electronic resource].
Royal National Institute for Deaf People.
London : Royal National Institute for Deaf People,
[2002]
Title from Welcome screen.
System requirements: IBM compatible PC; Pentium processor; 32MB RAM; Windows 95/98/NT4; Quicktime 5; 16-bit colour display; 16-speed CD-ROM drive.
System requirements: Macintosh; 32MB RAM; Mac OS8 or later; Quicktime 5; 16-bit colour display; 16-speed CD-ROM drive.
British Sign Language
Deaf