APA引文

Pitchford, J. (1974). Population in Economic Growth. North Holland Publishing company.

Chicago Edition Citation

Pitchford, J.D. Population in Economic Growth. Amsterdam: North Holland Publishing company, 1974.

MLA引文

Pitchford, J.D. Population in Economic Growth. North Holland Publishing company, 1974.

警告：這些引文格式不一定是100％准確.