Crook, W. G. (1986). The yeast connection a medical breakthrough (3ª ed.). Profesional Book.
Chicago-viite (17. p.)Crook, William G. The Yeast Connection a Medical Breakthrough. 3ª ed. Profesional Book, 1986.
MLA-viite (9. p.)Crook, William G. The Yeast Connection a Medical Breakthrough. 3ª ed. Profesional Book, 1986.
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