2. Burde, Gerhard and Zieschang, H., Knots, New York: Walter de Gruyter, 1985.
3. Gialamas, Stefanos, "A Tour in Knot Theory".
4. Murasugi, Kunio, Knot Theory and It's Applications, Boston: Birkhauser, 1996.
5. Neuwirth, Lee, "The Theory of Knots".
6. Payne, Bryson, "Knot
Theory".