APA aipamena

Bahá'u'lláh. (1978). The seven valleys and The four valleys. Wilmette, Ill: Bahá'í Publishing Trust.

Chicago Style aipamena

Bahá'u'lláh. The Seven Valleys and The Four Valleys. Wilmette, Ill: Bahá'í Publishing Trust, 1978.

MLA aipamena

Bahá'u'lláh. The Seven Valleys and The Four Valleys. Wilmette, Ill: Bahá'í Publishing Trust, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.