Παραπομπή APA

(1948). Descriptive list of professional and nonprofessional duties in libraries. Chicago: American Library Association.

Παραπομπή Chicago Style

Descriptive List of Professional and Nonprofessional Duties in Libraries. Chicago: American Library Association, 1948.

Παραπομπή MLA

Descriptive List of Professional and Nonprofessional Duties in Libraries. Chicago: American Library Association, 1948.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.