1. Doi, Y. (1990). Microbial polyesters. New York: VCH.
2. Tran, R., Dey, J., Gyawali, D., Zhang, Y. & Yang, J. (2010). In M. Chiao & J. C. Chiao (Eds), Biomaterials for MEMS (pp. 1–32). Pan Stanford Publishing Book.
3. Abe, H., Doi, Y., Aoki, H., & Akehata, T. (1998). Macromolecules, 31, 1791–1797.
4. Renard, E., Walls, M., Guèrin, P., & Langlois, V. (2004). Polymer Degradation and Stability, 85, 779–787.
5. Hiraishi, T., & Taguchi, S. (2009). Organic and Biomoleculer Chemistry, 6, 44–54.