Cytowanie według stylu APA (wyd. 7)

Tovar, E., Piedra Pullaguari, N., Chicaiza Espinosa, J., & Lopez Vargas, J. (2015). A user profile definition in context of recommendation of open educational resources. An approach based on linked open vocabularies.

Cytowanie według stylu Chicago (wyd. 17)

Tovar, E., N. Piedra Pullaguari, J. Chicaiza Espinosa, i J. Lopez Vargas. A User Profile Definition in Context of Recommendation of Open Educational Resources. An Approach Based on Linked Open Vocabularies. 2015.

Cytowanie według stylu MLA (wyd. 9)

Tovar, E., et al. A User Profile Definition in Context of Recommendation of Open Educational Resources. An Approach Based on Linked Open Vocabularies. 2015.