Lua APA (7ú heag.)

ScienceDirect (Online service). Topology and its applications. North-Holland Pub. Co.

Lua i Stíl Chicago (17ú heag.)

ScienceDirect (Online service). Topology and Its Applications. Amsterdam: North-Holland Pub. Co.

Lua MLA (8ú heag.)

ScienceDirect (Online service). Topology and Its Applications. North-Holland Pub. Co.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.