The Life of Shoghi Effendi (页面存档备份,存于互联网档案馆) by Helen Danesh, John Danesh and Amelia Danesh, Studying the Writings of Shoghi Effendi, edited by M. Bergsmo (Oxford: George Ronald, 1991)
Manuchehri, Sepehr. The Primal Point’s Will and Testament. Research Notes in Shaykhi, Babi and Baha'i Studies. September 2004, 7 (2) [2017-06-19]. (原始内容存档于2006-02-13).
Farah, Caesar E. Islam: Beliefs and Observances. Woodbury, NY: Barron's Educational Series. 1970 [2017-06-19]. (原始内容存档于2020-10-10).
Manuchehri, Sepehr. The Primal Point’s Will and Testament. Research Notes in Shaykhi, Babi and Baha'i Studies. September 2004, 7 (2) [2017-06-19]. (原始内容存档于2006-02-13).
The Life of Shoghi Effendi (页面存档备份,存于互联网档案馆) by Helen Danesh, John Danesh and Amelia Danesh, Studying the Writings of Shoghi Effendi, edited by M. Bergsmo (Oxford: George Ronald, 1991)