Gaya APA
Armstrong, David G., Hunkins, Francis R.. (1989).
World Geography : People and Places .
Washington DC:
Merril Pubishing Company.
Gaya Chicago
Armstrong, David G., Hunkins, Francis R..
World Geography : People and Places.
Washington DC:
Merril Pubishing Company,
1989.
Text.
Gaya MLA
Armstrong, David G., Hunkins, Francis R..
World Geography : People and Places.
Washington DC:
Merril Pubishing Company,
1989.
Text.
Gaya Turabian
Armstrong, David G., Hunkins, Francis R..
World Geography : People and Places.
Washington DC:
Merril Pubishing Company,
1989.
Print.