Tarbell, M. (1905). Tarbell's teacher's guide to the International Sunday-school lessons for 1906. Revell.
Citazione stile Chigago Style (17a edizione)Tarbell, Martha. Tarbell's Teacher's Guide to the International Sunday-school Lessons for 1906. New York: Revell, 1905.
Citatione MLA (9a ed.)Tarbell, Martha. Tarbell's Teacher's Guide to the International Sunday-school Lessons for 1906. Revell, 1905.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.