1. F. B. Chandler, and I. Demoranville . 1958 . Cranberry varieties of North America . University of Massachusetts, Cranberry Station, Ware-ham, Mass. Bull. 513 . 513 pp.
2. H. Gilman, 1938 . Organic Chemistry, Advanced Treatise . Vol. II . John Wiley & Sons, 1128 pp.