Nielsen, B. (1986). What They Say They Do and What They Do: Assessing Online Catalog Use Instruction through Transaction Monitoring.
Chicago-Zitierstil (17. Ausg.)Nielsen, Brian. What They Say They Do and What They Do: Assessing Online Catalog Use Instruction Through Transaction Monitoring. 1986.
MLA-Zitierstil (9. Ausg.)Nielsen, Brian. What They Say They Do and What They Do: Assessing Online Catalog Use Instruction Through Transaction Monitoring. 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.