APA Style
HARPER, W.M.. (1975).
Operational Research .
London:
Macdonald & Evans Ltd..
Chicago Style
HARPER, W.M..
Operational Research.
London:
Macdonald & Evans Ltd.,
1975.
Text.
MLA Style
HARPER, W.M..
Operational Research.
London:
Macdonald & Evans Ltd.,
1975.
Text.
Turabian Style
HARPER, W.M..
Operational Research.
London:
Macdonald & Evans Ltd.,
1975.
Print.