PITCHFORD, J. (1974). Population in economic growth. North-Holland.
Čikaški stil citiranja (17. izdanje)PITCHFORD, J.D. Population in Economic Growth. Amsterdam: North-Holland, 1974.
MLA način citiranja (9. izdanje)PITCHFORD, J.D. Population in Economic Growth. North-Holland, 1974.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.