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.
Цитирование в стиле Чикаго (17-е изд.)Tovar, E., N. Piedra Pullaguari, J. Chicaiza Espinosa, и J. Lopez Vargas. A User Profile Definition in Context of Recommendation of Open Educational Resources. An Approach Based on Linked Open Vocabularies. 2015.
Цитирование MLA (9-е изд.)Tovar, E., et al. A User Profile Definition in Context of Recommendation of Open Educational Resources. An Approach Based on Linked Open Vocabularies. 2015.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.