(2007). Course Credit Accrual & Dropping Out of High School. U.S. Department of Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCourse Credit Accrual & Dropping Out of High School. U.S. Department of Education, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCourse Credit Accrual & Dropping Out of High School. U.S. Department of Education, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.