Gaya APA
Pfeiffer, H, D. et al (2013).
Conceptual Structures for STEM Research and Education .
Springer Berlin Heidelberg:
Springer.
Gaya MLA
Pfeiffer, Heather, D.. et al.
"Conceptual Structures for STEM Research and Education".
Springer Berlin Heidelberg:
Springer,
2013.
E-Book.