Penggayaan APA
Ballance, Hellen, Dennis. (1969).
Farming the land .
London:
Ginn & Company Ltd..
Chicago Style
Ballance, Hellen, Dennis.
Farming the land.
London:
Ginn & Company Ltd.,
1969.
Text.
MLA Style
Ballance, Hellen, Dennis.
Farming the land.
London:
Ginn & Company Ltd.,
1969.
Text.
Turabian Style
Ballance, Hellen, Dennis.
Farming the land.
London:
Ginn & Company Ltd.,
1969.
Print.