Gaya APA
Smith, Thomas R, Smith, J.Russell, Philips, M.O. (1955).
Industrial and commercial geography (4th ed).
New York:
Holt.
Gaya Chicago
Smith, Thomas R, Smith, J.Russell, Philips, M.O.
Industrial and commercial geography.
4th ed
New York:
Holt,
1955.
Text.
Gaya MLA
Smith, Thomas R, Smith, J.Russell, Philips, M.O.
Industrial and commercial geography.
4th ed
New York:
Holt,
1955.
Text.
Gaya Turabian
Smith, Thomas R, Smith, J.Russell, Philips, M.O.
Industrial and commercial geography.
4th ed
New York:
Holt,
1955.
Print.