ebrary, Inc, & Goodfellow, R. J. F. (2011). Concrete for underground structures: Guidelines for design and construction. Society for Mining, Metallurgy, and Exploration.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Robert J. F. Goodfellow. Concrete for Underground Structures: Guidelines for Design and Construction. Englewood, Colo.: Society for Mining, Metallurgy, and Exploration, 2011.
Lua MLA (9ú heag.)ebrary, Inc, agus Robert J. F. Goodfellow. Concrete for Underground Structures: Guidelines for Design and Construction. Society for Mining, Metallurgy, and Exploration, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.