APA (7 वां संस्करण) प्रशस्ति पत्र
Welch, S., & Gruhl, J. (1998). Affirmative action and minority enrollments in medical and law schools. University of Michigan Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Welch, Susan, और John Gruhl. Affirmative Action and Minority Enrollments in Medical and Law Schools. Ann Arbor: University of Michigan Press, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Welch, Susan, और John Gruhl. Affirmative Action and Minority Enrollments in Medical and Law Schools. University of Michigan Press, 1998.
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