Gaya APA
Alexander, John W.. (1979).
Economic geography (text).
New Delhi:
Prentice Hal of India.
Gaya Chicago
Alexander, John W..
Economic geography.
text
New Delhi:
Prentice Hal of India,
1979.
Tesis.
Gaya MLA
Alexander, John W..
Economic geography.
text
New Delhi:
Prentice Hal of India,
1979.
Tesis.
Gaya Turabian
Alexander, John W..
Economic geography.
text
New Delhi:
Prentice Hal of India,
1979.
Tesis.