Lua APA (7ú heag.)

Sorvali, T. (1972). The boundary mapping induced by an isomorphism of covering groups. Suomalainen Tiedeakatemia.

Lua i Stíl Chicago (17ú heag.)

Sorvali, Tuomas. The Boundary Mapping Induced by an Isomorphism of Covering Groups. Helsinki: Suomalainen Tiedeakatemia, 1972.

Lua MLA (8ú heag.)

Sorvali, Tuomas. The Boundary Mapping Induced by an Isomorphism of Covering Groups. Suomalainen Tiedeakatemia, 1972.

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