Mayer, V. J. (1974). Unplibished evaluation instruments in science education: A hanbook. ERIC.
Lua i Stíl Chicago (17ú heag.)Mayer, Victor J. Unplibished Evaluation Instruments in Science Education: A Hanbook. Ohio, Estados Unidos: ERIC, 1974.
Lua MLA (9ú heag.)Mayer, Victor J. Unplibished Evaluation Instruments in Science Education: A Hanbook. ERIC, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.