Sprinthall, N. A. (1978). Value development: ... as the aim of education. Character Research Press.
Citazione stile Chigago Style (17a edizione)Sprinthall, Norman A. Value Development: ... as the Aim of Education. Schenectady, NY: Character Research Press, 1978.
Citatione MLA (8a ed.)Sprinthall, Norman A. Value Development: ... as the Aim of Education. Character Research Press, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.