Halnan, E. T., & Hammond, J. (1950). A course of practical physiology for agricultural students (2nd ed.). University Press.
Citace podle Chicago (17th ed.)Halnan, Edward Thomas, a John Hammond. A Course of Practical Physiology for Agricultural Students. 2nd ed. Cambridge: University Press, 1950.
Citace podle MLA (8th ed.)Halnan, Edward Thomas, a John Hammond. A Course of Practical Physiology for Agricultural Students. 2nd ed. University Press, 1950.
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