एपीए उद्धरण

Piel, J. (2010). Natural products via enzymatic reactions. Springer-verlag.

शिकागो स्टाइल उद्धरण

Piel, Jorn. Natural Products via Enzymatic Reactions. Berlin: Springer-verlag, 2010.

एमएलए उद्धरण

Piel, Jorn. Natural Products via Enzymatic Reactions. Springer-verlag, 2010.