Piel, J. Natural Products via Enzymatic Reactions. Springer Berlin Heidelberg : Imprint: Springer.
Citazione stile Chigago Style (17a edizione)Piel, Jörn. Natural Products via Enzymatic Reactions. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer.
Citatione MLA (8a ed.)Piel, Jörn. Natural Products via Enzymatic Reactions. Springer Berlin Heidelberg : Imprint: Springer.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.