Khoo, I. Liquid Crystals XVII. SPIE Digital Library.
Chicago Style (17th ed.) ZitazioaKhoo, Iam-Choon. Liquid Crystals XVII. SPIE Digital Library.
MLA (9th ed.) ZitazioaKhoo, Iam-Choon. Liquid Crystals XVII. SPIE Digital Library.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.