Cita APA

Holmes, B., & Gardner, J. (2006). E-learning: Concepts and practice. London ; Thousand Oaks, Calif.: SAGE Publications.

Citación estilo Chicago

Holmes, Bryn., and John Gardner. E-learning: Concepts and Practice. London ; Thousand Oaks, Calif.: SAGE Publications, 2006.

Cita MLA

Holmes, Bryn., and John Gardner. E-learning: Concepts and Practice. London ; Thousand Oaks, Calif.: SAGE Publications, 2006.