Whitfield, M., & Yen, J. (2018). Boundaries and relationships: Knowing, protecting and enjoying the self (Unabridged.). Tantor Media.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Whitfield, MD, و Jonathan Yen. Boundaries and Relationships: Knowing, Protecting and Enjoying the Self. Unabridged. Old Saybrook: Tantor Media, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Whitfield, MD, و Jonathan Yen. Boundaries and Relationships: Knowing, Protecting and Enjoying the Self. Unabridged. Tantor Media, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.