Gaya APA
Richardson, Harry w.. (1979).
Regional Economics .
Urbana:
University Of Illinois Press.
Gaya Chicago
Richardson, Harry w..
Regional Economics.
Urbana:
University Of Illinois Press,
1979.
Text.
Gaya MLA
Richardson, Harry w..
Regional Economics.
Urbana:
University Of Illinois Press,
1979.
Text.
Gaya Turabian
Richardson, Harry w..
Regional Economics.
Urbana:
University Of Illinois Press,
1979.
Print.