Brakensiek, I. L., Phipps, L. J., & Feeding livestock and poultry. (1966). Self-study guide in animal science: Feeding livestock and poultry. Interstate Printers & Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Brakensiek, I. L., Lloyd James Phipps, και Feeding livestock and poultry. Self-study Guide in Animal Science: Feeding Livestock and Poultry. Danville, Ill.: Interstate Printers & Publishers, 1966.
Παραπομπή σε μορφή MLA (8th εκδ.)Brakensiek, I. L., et al. Self-study Guide in Animal Science: Feeding Livestock and Poultry. Interstate Printers & Publishers, 1966.
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