ebrary, Inc, & Pern, L. W. (2010). Understanding the working college student: New research and its implications for policy and practice. Stylus.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, و Laura W. Pern. Understanding the Working College Student: New Research and Its Implications for Policy and Practice. Sterling, Va.: Stylus, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, و Laura W. Pern. Understanding the Working College Student: New Research and Its Implications for Policy and Practice. Stylus, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.