Gibbons, J. (1995). An Initial−Algebra Approach to Directed Acyclic Graphs. Springer−Verlag.
Lua i Stíl Chicago (17ú heag.)Gibbons, J. An Initial−Algebra Approach to Directed Acyclic Graphs. Springer−Verlag, 1995.
Lua MLA (9ú heag.)Gibbons, J. An Initial−Algebra Approach to Directed Acyclic Graphs. Springer−Verlag, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.