APA (7th ed.) Zitazioa

PITCHFORD, J. (1974). Population in economic growth. North-Holland.

Chicago Style (17th ed.) Zitazioa

PITCHFORD, J.D. Population in Economic Growth. Amsterdam: North-Holland, 1974.

MLA (9th ed.) Zitazioa

PITCHFORD, J.D. Population in Economic Growth. North-Holland, 1974.