Association for Library Collections & Technical Services. (1990). ALCTS newsletter. Association for Library Collections & Technical Services, American Library Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Association for Library Collections & Technical Services. ALCTS Newsletter. Chicago, IL: Association for Library Collections & Technical Services, American Library Association, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Association for Library Collections & Technical Services. ALCTS Newsletter. Association for Library Collections & Technical Services, American Library Association, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.