APA Style
Redmill, F.J., Valdar, A.R.. (1994).
SPC Digital telephone exchanges .
London:
Peter Peregrinus.
Chicago Style
Redmill, F.J., Valdar, A.R..
SPC Digital telephone exchanges.
London:
Peter Peregrinus,
1994.
Text.
MLA Style
Redmill, F.J., Valdar, A.R..
SPC Digital telephone exchanges.
London:
Peter Peregrinus,
1994.
Text.
Turabian Style
Redmill, F.J., Valdar, A.R..
SPC Digital telephone exchanges.
London:
Peter Peregrinus,
1994.
Print.