Mason, C. L., & National Science Teachers Association. (1993). Preparing & directing a teacher institute. National Science Teachers Association.
Citazione stile Chigago Style (17a edizione)Mason, Cheryl L., e National Science Teachers Association. Preparing & Directing a Teacher Institute. Arlington, VA: National Science Teachers Association, 1993.
Citatione MLA (9a ed.)Mason, Cheryl L., e National Science Teachers Association. Preparing & Directing a Teacher Institute. National Science Teachers Association, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.