Gaya APA
Goldin, G, A., Hannula, M. (2016).
Attitudes, beliefs, motivation and identity in mathematics education .
nyu:
Springer.
Gaya MLA
Goldin, Gerald, A., Hannula, Markku.
"Attitudes, beliefs, motivation and identity in mathematics education".
nyu:
Springer,
2016.
Buku.