Willard, P. (1981). People and libraries: A study of why people visist a public library and the librarian's response. School of Librarianship, University of New South Wales.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Willard, Patricia. People and Libraries: A Study of Why People Visist a Public Library and the Librarian's Response. Kensington, New South Wales: School of Librarianship, University of New South Wales, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Willard, Patricia. People and Libraries: A Study of Why People Visist a Public Library and the Librarian's Response. School of Librarianship, University of New South Wales, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.