Gaya APA

A., G., G. et al. (2016). Attitudes, beliefs, motivation and identity in mathematics education :an overview of the field and future directions . Cham, Switzerland: Springer Open.

Gaya MLA

Goldin, Gerald, A.. et al. "Attitudes, beliefs, motivation and identity in mathematics education :an overview of the field and future directions". Cham, Switzerland: Springer Open, 2016. Electronic Resource.