Green, C. E. (1981). Advice to clever children. Institute of Psychophysical Research.
Citazione stile Chigago Style (17a edizione)Green, Celia Elizabeth. Advice to Clever Children. Oxford: Institute of Psychophysical Research, 1981.
Citatione MLA (9a ed.)Green, Celia Elizabeth. Advice to Clever Children. Institute of Psychophysical Research, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.