Cita APA (7th ed.)
Lang, R. J. (2003). Origami design secrets: Mathematical methods for an ancient art. A.K. Peters.
Cita Chicago (17th ed.)
Lang, Robert J. Origami Design Secrets: Mathematical Methods for an Ancient Art. Natick, MA: A.K. Peters, 2003.
Cita MLA (9th ed.)
Lang, Robert J. Origami Design Secrets: Mathematical Methods for an Ancient Art. A.K. Peters, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.