SpringerLink (Online service), Moos, L., Johansson, O., & Day, C. (2011). How school principals sustain success over time: International perspectives. Springer Netherlands.
Čikaški stil citiranja (17. izdanje)SpringerLink (Online service), Lejf Moos, Olof Johansson, i Christopher Day. How School Principals Sustain Success over Time: International Perspectives. Dordrecht: Springer Netherlands, 2011.
MLA način citiranja (9. izdanje)SpringerLink (Online service), et al. How School Principals Sustain Success over Time: International Perspectives. Springer Netherlands, 2011.
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