Penggayaan APA
Balkwill, Richard. (1972).
Railways at work .
London:
Ginn & Company Ltd..
Chicago Style
Balkwill, Richard.
Railways at work.
London:
Ginn & Company Ltd.,
1972.
Text.
MLA Style
Balkwill, Richard.
Railways at work.
London:
Ginn & Company Ltd.,
1972.
Text.
Turabian Style
Balkwill, Richard.
Railways at work.
London:
Ginn & Company Ltd.,
1972.
Print.