Miller, W. C., & Robertson, E. D. S. (1959). Practical animal husbandry (7th ed., rev. and enl.). Oliver and Boyd.
Lua i Stíl Chicago (17ú heag.)Miller, William C., agus E. D. S. Robertson. Practical Animal Husbandry. 7th ed., rev. and enl. Edinburgh, Lothian: Oliver and Boyd, 1959.
Lua MLA (8ú heag.)Miller, William C., agus E. D. S. Robertson. Practical Animal Husbandry. 7th ed., rev. and enl. Oliver and Boyd, 1959.
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