Seminar on Differential Equations and Dynamical Systems, I. (. :. U. o. M., & Yorke, J. A. (1969). Lectures. Berlin : Springer-Verlag.
Lua i Stíl Chicago (17ú heag.)Seminar on Differential Equations and Dynamical Systems, II (1969 : University of Maryland, agus James A. Yorke. Lectures. Berlin : Springer-Verlag, 1969.
Lua MLA (9ú heag.)Seminar on Differential Equations and Dynamical Systems, II (1969 : University of Maryland, agus James A. Yorke. Lectures. Berlin : Springer-Verlag, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.