Gordon, T. (1955). Group-centered leadership: A way of releasing the creative power of groups. Houghton Mifflin.
Citazione stile Chigago Style (17a edizione)Gordon, Thomas. Group-centered Leadership: A Way of Releasing the Creative Power of Groups. Boston: Houghton Mifflin, 1955.
Citatione MLA (9a ed.)Gordon, Thomas. Group-centered Leadership: A Way of Releasing the Creative Power of Groups. Houghton Mifflin, 1955.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.