Grenfell, D. (1965). Periodicals and serials: Their treatment in special libraries.
Παραπομπή Chicago StyleGrenfell, David. Periodicals and Serials: Their Treatment in Special Libraries. 1965.
Παραπομπή MLAGrenfell, David. Periodicals and Serials: Their Treatment in Special Libraries. 1965.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.