Gale Research Inc. (2007). Super LCCS : Gale's Library of Congress classification schedules: Combined with additions and changes through 2006. Thomson Gale.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gale Research Inc. Super LCCS : Gale's Library of Congress Classification Schedules: Combined with Additions and Changes Through 2006. Detroit: Thomson Gale, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gale Research Inc. Super LCCS : Gale's Library of Congress Classification Schedules: Combined with Additions and Changes Through 2006. Thomson Gale, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.