APA-ийн эшлэл(7 дахь хэвлэлт)

Dueñas , E., & Valenzuela, C. (2022). A look at school time and the single school day. A review of empirical research. Universidad Pedagógica y Tecnológica de Colombia.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Dueñas , Elizabeth, ба Carlos Valenzuela. A Look at School Time and the Single School Day. A Review of Empirical Research. Universidad Pedagógica y Tecnológica de Colombia, 2022.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Dueñas , Elizabeth, ба Carlos Valenzuela. A Look at School Time and the Single School Day. A Review of Empirical Research. Universidad Pedagógica y Tecnológica de Colombia, 2022.