Cita APA (7th ed.)

Ortega, M., & Bravo, J. (2000). Computers and education in the 21st century. Kluwer Academic Publishers.

Cita Chicago (17th ed.)

Ortega, Manuel, i José Bravo. Computers and Education in the 21st Century. Dordrecht: Kluwer Academic Publishers, 2000.

Cita MLA (9th ed.)

Ortega, Manuel, i José Bravo. Computers and Education in the 21st Century. Kluwer Academic Publishers, 2000.