Steyn, D. G. (1970). Honey as a food and in the prevention and treatment of disease. Universiteit van Pretoria.
Citace podle Chicago (17th ed.)Steyn, Douw G. Honey as a Food and in the Prevention and Treatment of Disease. Pretoria: Universiteit van Pretoria, 1970.
Citace podle MLA (8th ed.)Steyn, Douw G. Honey as a Food and in the Prevention and Treatment of Disease. Universiteit van Pretoria, 1970.
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