Michael Roberts. (2014). Biology for Life Second Edition (2nd.). Oxford University Press.
Citazione stile Chigago Style (17a edizione)Michael Roberts. Biology for Life Second Edition. 2nd. Oxford University Press, 2014.
Citatione MLA (9a ed.)Michael Roberts. Biology for Life Second Edition. 2nd. Oxford University Press, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.