Bowler, R., & Martin, L. A. (1965). Public library service equal to the challenge of California: A report to the State librarian. California statewide survey of public library service. California State Library].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bowler, Roberta, و Lowell Arthur Martin. Public Library Service Equal to the Challenge of California: A Report to the State Librarian. California Statewide Survey of Public Library Service. [Sacramento: California State Library], 1965.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bowler, Roberta, و Lowell Arthur Martin. Public Library Service Equal to the Challenge of California: A Report to the State Librarian. California Statewide Survey of Public Library Service. California State Library], 1965.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.