Universal House of Justice. Introduction. The Kitáb-i-Aqdas. Wilmette, Illinois, USA: Bahá'í Publishing Trust. 1992: pp. 5 [2007-01-23]. ISBN 978-0-85398-999-8. (原始内容存档于2020-11-24). 引文格式1维护:冗余文本 (link)
Universal House of Justice. Introduction. The Kitáb-i-Aqdas. Wilmette, Illinois, USA: Bahá'í Publishing Trust. 1992: pp. 5 [2007-01-23]. ISBN 978-0-85398-999-8. (原始内容存档于2020-11-24). 引文格式1维护:冗余文本 (link)
Walbridge, John. Prayer and Worship. bahai-library.org. 2006-03-23 [2006-07-11]. (原始内容存档于2016-03-05).
Local Spiritual Assembly of the Baha'is of Warwick. Baha'i Marriage. Bahá'ís of Warwick. 2003-10-12 [2006-06-14]. (原始内容存档于2006-05-28).