Biodiesel: Feedstocks, Technologies, Economics and Barriers
  MLA
  Avagyan, and Bhaskar Singh. Biodiesel: Feedstocks, Technologies, Economics and Barriers. Springer Singapore, 2019.
  APA
  Avagyan, A., & Singh, B. (2019). Biodiesel: Feedstocks, Technologies, Economics and Barriers. Springer Singapore.
  Chicago
  Avagyan, and Bhaskar Singh. Biodiesel: Feedstocks, Technologies, Economics and Barriers. : Springer Singapore, 2019.