Endoscopic dacryocystorhinostomy
  MLA
  Gupta, Nishi. Endoscopic Dacryocystorhinostomy. Springer Singapore, 2021.
  APA
  Gupta, N. (2021). Endoscopic dacryocystorhinostomy. Springer Singapore.
  Chicago
  Gupta, Nishi Endoscopic Dacryocystorhinostomy. : Springer Singapore, 2021.