Davey, S., Hart, C., Hole, D., MacKinnon, P., Gillis, C., Watt, G., . . . Hawthorne, V. (1998). Education and occupational social class: Which is the more important indicator of mortality risk? BMJ Group.

Davey, S., C. Hart, D. Hole, P. MacKinnon, C. Gillis, G. Watt, D. Blane, و V. Hawthorne. Education and Occupational Social Class: Which Is the More Important Indicator of Mortality Risk? BMJ Group, 1998.

Davey, S., et al. Education and Occupational Social Class: Which Is the More Important Indicator of Mortality Risk? BMJ Group, 1998.