Brian Bracegirdce & W h Freeman. (1985). Atlas of empryology (3.). Heinemann educational books Ltd.
Čikaški stil citiranjaBrian Bracegirdce i W h Freeman. Atlas of Empryology. 3. Heinemann educational books Ltd, 1985.
MLA način citiranjaBrian Bracegirdce i W h Freeman. Atlas of Empryology. 3. Heinemann educational books Ltd, 1985.
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