↑Irene K. P. Tan: Polyhydroxyalkanoates, Kirk-Othmer Encyclopedia of Chemical Technology, John Wiley & Sons, New York, 2003. Viitattu 17.3.2017
↑Andreas Künkel, Johannes Becker, Lars Börger, Jens Hamprecht, Sebastian Koltzenburg, Robert Loos, Michael Bernhard Schick, Katharina Schlegel, Carsten Sinkel, Gabriel Skupin & Motonori Yamamoto: Polymers, Biodegradable, Ullmann's Encyclopedia of Industrial Chemistry, John Wiley & Sons, New York, 2016. Viitattu 17.3.2017