Erickson, M. (1950). Missionary volunteers and their work. Review and Herald.
Citazione stile Chigago Style (17a edizione)Erickson, Matilda. Missionary Volunteers and Their Work. Review and Herald, 1950.
Citatione MLA (9a ed.)Erickson, Matilda. Missionary Volunteers and Their Work. Review and Herald, 1950.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.