Brocker, T., & Lander, L. (1975). Differentiable germs and catastrophes. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Brocker, T., agus L. Lander. Differentiable Germs and Catastrophes. Londres: Cambridge University Press, 1975.
Lua MLA (9ú heag.)Brocker, T., agus L. Lander. Differentiable Germs and Catastrophes. Cambridge University Press, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.