Gaya APA
Glassner, Martin Ira. (1980).
Systematic political geography .
New York:
John Wiley & Sons.
Gaya Chicago
Glassner, Martin Ira.
Systematic political geography.
New York:
John Wiley & Sons,
1980.
.
Gaya MLA
Glassner, Martin Ira.
Systematic political geography.
New York:
John Wiley & Sons,
1980.
.
Gaya Turabian
Glassner, Martin Ira.
Systematic political geography.
New York:
John Wiley & Sons,
1980.
.