Washington State Library, Seattle Free Lance Writers, & Washington State Library. Readers Services Division. (1968). Washington State authors. Washington State Library in cooperation with the Seattle Free Lance Writers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington State Library, Seattle Free Lance Writers, و Washington State Library. Readers Services Division. Washington State Authors. Olympia: Washington State Library in cooperation with the Seattle Free Lance Writers, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington State Library, et al. Washington State Authors. Washington State Library in cooperation with the Seattle Free Lance Writers, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.