LU, Y. C. (1976). Singularity theory and an introduction to catastrophe theory. Springer-Verlag.
Chicago-čujuhus (17. p.)LU, Yung Chen. Singularity Theory and an Introduction to Catastrophe Theory. New york: Springer-Verlag, 1976.
MLA-čujuhus (9. p.)LU, Yung Chen. Singularity Theory and an Introduction to Catastrophe Theory. Springer-Verlag, 1976.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.