Lua APA (7ú heag.)

Livingston, C. (1993). Knot theory. Mathematical Association of America.

Lua i Stíl Chicago (17ú heag.)

Livingston, Charles. Knot Theory. Washington, D.C.: Mathematical Association of America, 1993.

Lua MLA (9ú heag.)

Livingston, Charles. Knot Theory. Mathematical Association of America, 1993.

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