Pitchford, J. (1974). Population in Economic Growth. North Holland Publishing company.
シカゴスタイル引用形Pitchford, J.D. Population in Economic Growth. Amsterdam: North Holland Publishing company, 1974.
MLA引用形式Pitchford, J.D. Population in Economic Growth. North Holland Publishing company, 1974.
警告: この引用は必ずしも正確ではありません.