APA引文

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.

芝加哥风格引文

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

MLA引文

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

警告:这些引文格式不一定是100%准确.