Bourdon, R. M. Understanding Animal Breeding: Pearson New International Edition (2.). Pearson Education UK.
Citazione stile Chigago Style (17a edizione)Bourdon, Richard M. Understanding Animal Breeding: Pearson New International Edition. 2. Pearson Education UK.
Citatione MLA (8a ed.)Bourdon, Richard M. Understanding Animal Breeding: Pearson New International Edition. 2. Pearson Education UK.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.