Gaya APA

Tradjutrisno, N. (2009). Ptergium: Degeneration, Exuberant Wound Healing or Benig Neoplasm? . Grogol Jakarta: Trisakti University.

Gaya MLA

Tradjutrisno, Nurbuanto. "Ptergium: Degeneration, Exuberant Wound Healing or Benig Neoplasm?". Grogol Jakarta: Trisakti University, 2009. Text.