Bahá'u'lláh. (1978). The seven valleys and The four valleys. Wilmette, Ill: Bahá'í Publishing Trust.
استشهاد بنمط شيكاغوBahá'u'lláh. The Seven Valleys and The Four Valleys. Wilmette, Ill: Bahá'í Publishing Trust, 1978.
MLA استشهادBahá'u'lláh. The Seven Valleys and The Four Valleys. Wilmette, Ill: Bahá'í Publishing Trust, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.