Harlen, W. (2000). The teaching of science in primary schools (3rd ed.). David Fulton.
Citazione stile Chigago Style (17a edizione)Harlen, Wynne. The Teaching of Science in Primary Schools. 3rd ed. London: David Fulton, 2000.
Citatione MLA (8a ed.)Harlen, Wynne. The Teaching of Science in Primary Schools. 3rd ed. David Fulton, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.