Belland. (2017). Instructional Scaffolding in STEM Education (1.). Springer International Publishing.
Chicago Style aipamenaBelland. Instructional Scaffolding in STEM Education. 1. Springer International Publishing, 2017.
MLA aipamenaBelland. Instructional Scaffolding in STEM Education. 1. Springer International Publishing, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.