Gaya APA
Smith, Lynn T.. (1948).
Population analysis 1st ed .
New York:
McGraw Hill.
Gaya Chicago
Smith, Lynn T..
Population analysis 1st ed.
New York:
McGraw Hill,
1948.
Text.
Gaya MLA
Smith, Lynn T..
Population analysis 1st ed.
New York:
McGraw Hill,
1948.
Text.
Gaya Turabian
Smith, Lynn T..
Population analysis 1st ed.
New York:
McGraw Hill,
1948.
Print.