SMITH, R. C. Principles & Practices Of Heavy Construction Ronald C. Smith. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)SMITH, Ronald C. Principles & Practices Of Heavy Construction Ronald C. Smith. Prentice-Hall.
Lua MLA (8ú heag.)SMITH, Ronald C. Principles & Practices Of Heavy Construction Ronald C. Smith. Prentice-Hall.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.