Não informado. (2021). Occasional Papers. University of Illinois Graduate School of Library Science.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Occasional Papers. Urbana, Ill: University of Illinois Graduate School of Library Science, 2021.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Occasional Papers. University of Illinois Graduate School of Library Science, 2021.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.