Vanzant, I. (1998). One day my soul just opened up: 40 days and 40 nights toward spiritual strength and personal growth. Fireside.
Citazione stile Chigago Style (17a edizione)Vanzant, Iyanla. One Day My Soul Just Opened Up: 40 Days and 40 Nights Toward Spiritual Strength and Personal Growth. New York: Fireside, 1998.
Citatione MLA (9a ed.)Vanzant, Iyanla. One Day My Soul Just Opened Up: 40 Days and 40 Nights Toward Spiritual Strength and Personal Growth. Fireside, 1998.
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