APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.