Lua APA (7ú heag.)

(1960). The Design And Analysis Of Free Standing Stairs. s.n.

Lua i Stíl Chicago (17ú heag.)

The Design And Analysis Of Free Standing Stairs. s.n, 1960.

Lua MLA (8ú heag.)

The Design And Analysis Of Free Standing Stairs. s.n, 1960.

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