PITCHFORD, J. (1974). Population in economic growth. North-Holland.
Chicago Style (17th ed.) CitationPITCHFORD, J.D. Population in Economic Growth. Amsterdam: North-Holland, 1974.
MLA引文PITCHFORD, J.D. Population in Economic Growth. North-Holland, 1974.
警告:這些引文格式不一定是100%准確.