Pacific Northwest Library Association. Reference Division & Harris, P. M. (1961). Who's who among Pacific Northwest authors: First supplement. Pacific Northwest Library Assoc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pacific Northwest Library Association. Reference Division و Phoebe M. Harris. Who's Who Among Pacific Northwest Authors: First Supplement. [Seattle?]: Pacific Northwest Library Assoc., 1961.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pacific Northwest Library Association. Reference Division و Phoebe M. Harris. Who's Who Among Pacific Northwest Authors: First Supplement. Pacific Northwest Library Assoc., 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.