SpringerLink (Online service), Willis, P., Mckenzie, S., & Harris, R. (2009). Rethinking Work and Learning: Adult and Vocational Education for Social Sustainability. Springer Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Peter Willis, Stephen Mckenzie, και Roger Harris. Rethinking Work and Learning: Adult and Vocational Education for Social Sustainability. Dordrecht: Springer Netherlands, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Rethinking Work and Learning: Adult and Vocational Education for Social Sustainability. Springer Netherlands, 2009.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.