Παραπομπή σε μορφή APA (7η εκδ.)

Annetta, L. A., Folta, E., & Klesath, M. (2010). V-Learning: Distance Education in the 21st Century Through 3D Virtual Learning Environments. Springer Science+Business Media B.V.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Annetta, Leonard A., Elizabeth Folta, και Marta Klesath. V-Learning: Distance Education in the 21st Century Through 3D Virtual Learning Environments. Dordrecht: Springer Science+Business Media B.V, 2010.

Παραπομπή σε μορφή MLA (8th εκδ.)

Annetta, Leonard A., et al. V-Learning: Distance Education in the 21st Century Through 3D Virtual Learning Environments. Springer Science+Business Media B.V, 2010.