Birch, H. (2015). 50 ideas you really need to know chemistry. Quercus.
Citazione stile Chigago Style (17a edizione)Birch, Hayley. 50 Ideas You Really Need to Know Chemistry. London, England: Quercus, 2015.
Citatione MLA (9a ed.)Birch, Hayley. 50 Ideas You Really Need to Know Chemistry. Quercus, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.