Lang, R. J. (2011). Origami design secrets: Mathematical methods for an ancient art (2nd.). CRC Press.
Lua i Stíl Chicago (17ú heag.)Lang, Robert J. Origami Design Secrets: Mathematical Methods for an Ancient Art. 2nd. Boca Raton: CRC Press, 2011.
Lua MLA (9ú heag.)Lang, Robert J. Origami Design Secrets: Mathematical Methods for an Ancient Art. 2nd. CRC Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.