Penggayaan APA
Drummond, Dorothy W. & Robert R. Drummond. (1988).
People on Earth: A World Geography .
Illinois:
Scott, Foresman And Company.
Chicago Style
Drummond, Dorothy W. & Robert R. Drummond.
People on Earth: A World Geography.
Illinois:
Scott, Foresman And Company,
1988.
Text.
MLA Style
Drummond, Dorothy W. & Robert R. Drummond.
People on Earth: A World Geography.
Illinois:
Scott, Foresman And Company,
1988.
Text.
Turabian Style
Drummond, Dorothy W. & Robert R. Drummond.
People on Earth: A World Geography.
Illinois:
Scott, Foresman And Company,
1988.
Print.