Gaya APA
Popmap for Windows : integrated software package for geographical information, Maps and Graphics Database : user's guide. (1997).
New York:
UN.
Gaya Chicago
Popmap for Windows : integrated software package for geographical information, Maps and Graphics Database : user's guide.
.
New York:
UN,
1997.
.
Gaya MLA
Popmap for Windows : integrated software package for geographical information, Maps and Graphics Database : user's guide.
.
New York:
UN,
1997.
.
Gaya Turabian
Popmap for Windows : integrated software package for geographical information, Maps and Graphics Database : user's guide.
New York:
UN,
1997.
.