American Library Association. (1980). Handbook of organization 1980-1981 and membership directory. ALA.
استشهاد بنمط شيكاغوAmerican Library Association. Handbook of Organization 1980-1981 and Membership Directory. Chicago: ALA, 1980.
MLA استشهادAmerican Library Association. Handbook of Organization 1980-1981 and Membership Directory. ALA, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.