SpringerLink (Online service), Gotwals, A. W., & Alonzo, A. C. (2012). Learning progressions in science: Current challenges and future directions. SensePublishers.
Chicago-Zitierstil (17. Ausg.)SpringerLink (Online service), Amelia Wenk Gotwals, und Alicia C. Alonzo. Learning Progressions in Science: Current Challenges and Future Directions. Rotterdam: SensePublishers, 2012.
MLA-Zitierstil (8. Ausg.)SpringerLink (Online service), et al. Learning Progressions in Science: Current Challenges and Future Directions. SensePublishers, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.