Penggayaan APA
Ballance, Hellen, Dennis. (1971).
Building roads .
London:
Ginn & Company Ltd..
Chicago Style
Ballance, Hellen, Dennis.
Building roads.
London:
Ginn & Company Ltd.,
1971.
Text.
MLA Style
Ballance, Hellen, Dennis.
Building roads.
London:
Ginn & Company Ltd.,
1971.
Text.
Turabian Style
Ballance, Hellen, Dennis.
Building roads.
London:
Ginn & Company Ltd.,
1971.
Print.