Richmond, M. E. Friendly Visiting among the Poor: A Handbook for Charity Workers.
Citazione stile Chigago Style (17a edizione)Richmond, Mary Ellen. Friendly Visiting Among the Poor: A Handbook for Charity Workers.
Citatione MLA (9a ed.)Richmond, Mary Ellen. Friendly Visiting Among the Poor: A Handbook for Charity Workers.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.