Pullias, E. V., & Young, J. D. (1977). A teacher is many things. Indiana University Press.
Citazione stile Chigago Style (17a edizione)Pullias, Earl Vivon, e James D. Young. A Teacher Is Many Things. Bloomington: Indiana University Press, 1977.
Citatione MLA (9a ed.)Pullias, Earl Vivon, e James D. Young. A Teacher Is Many Things. Indiana University Press, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.