Gaya APA
Pitchford, J.D.. (1974).
Population in economic growth: Constributions to economic analysis .
:
North Holland.
Gaya Chicago
Pitchford, J.D..
Population in economic growth: Constributions to economic analysis.
:
North Holland,
1974.
Text.
Gaya MLA
Pitchford, J.D..
Population in economic growth: Constributions to economic analysis.
:
North Holland,
1974.
Text.
Gaya Turabian
Pitchford, J.D..
Population in economic growth: Constributions to economic analysis.
:
North Holland,
1974.
Print.