Gabel, D. L. (1994). Handbook of research on science teaching and learning: A project of the National Science Teachers Association. MacMillan.
Citazione stile Chigago Style (17a edizione)Gabel, Dorothy L. Handbook of Research on Science Teaching and Learning: A Project of the National Science Teachers Association. Nueva York: MacMillan, 1994.
Citatione MLA (9a ed.)Gabel, Dorothy L. Handbook of Research on Science Teaching and Learning: A Project of the National Science Teachers Association. MacMillan, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.