Schlick. (2013). Age-Differentiated Work Systems (1.). Springer Berlin Heidelberg.
Chicago Style aipamenaSchlick. Age-Differentiated Work Systems. 1. Springer Berlin Heidelberg, 2013.
MLA aipamenaSchlick. Age-Differentiated Work Systems. 1. Springer Berlin Heidelberg, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.