National Science Teachers Association. (1966). Helping children learn science: A selection of articles reprinted from "Science and Children". NSTA.
Citazione stile Chigago Style (17a edizione)National Science Teachers Association. Helping Children Learn Science: A Selection of Articles Reprinted from "Science and Children". Washington: NSTA, 1966.
Citatione MLA (9a ed.)National Science Teachers Association. Helping Children Learn Science: A Selection of Articles Reprinted from "Science and Children". NSTA, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.