APA (7e ed.) Bronvermelding
Johannsen, C. G. (2015). Library user metaphors and services: How librarians look at their users. De Gruyter Saur.
Chicago (17e ed.) Bronvermelding
Johannsen, Carl Gustav. Library User Metaphors and Services: How Librarians Look at Their Users. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter Saur, 2015.
MLA (9e ed.) Bronvermelding
Johannsen, Carl Gustav. Library User Metaphors and Services: How Librarians Look at Their Users. De Gruyter Saur, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.