Citazione APA

Dobson, R. (2008). Life expectancy gap between better and less educated in US widens. BMJ Publishing Group Ltd.

Stile di citazione Chicago

Dobson, Roger. Life Expectancy Gap between Better and Less Educated in US Widens. BMJ Publishing Group Ltd, 2008.

Citazione MLA

Dobson, Roger. Life Expectancy Gap between Better and Less Educated in US Widens. BMJ Publishing Group Ltd, 2008.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.