Gaya APA
Isard, Walter. ().
Ecologic analysis for regional development... Walter Isard [et. al.] .
New York:
Free Press.
Gaya Chicago
Isard, Walter.
Ecologic analysis for regional development... Walter Isard [et. al.].
New York:
Free Press,
.
Text.
Gaya MLA
Isard, Walter.
Ecologic analysis for regional development... Walter Isard [et. al.].
New York:
Free Press,
.
Text.
Gaya Turabian
Isard, Walter.
Ecologic analysis for regional development... Walter Isard [et. al.].
New York:
Free Press,
.
Print.