Tohutoro APA (7th ed.)

LU, Y. C. (1976). Singularity theory and an introduction to catastrophe theory. Springer-Verlag.

Tohutoru Kātū Chicago (17th ed.)

LU, Yung Chen. Singularity Theory and an Introduction to Catastrophe Theory. New york: Springer-Verlag, 1976.

Tohutoro MLA (9th ed.)

LU, Yung Chen. Singularity Theory and an Introduction to Catastrophe Theory. Springer-Verlag, 1976.