Buckley, R., Kontoe, S., Jardine, R., Barbosa, P., & Schroeder, F. (2020). Pile driveability in low-to-medium density chalk. NRC Research Press.
Lua i Stíl Chicago (17ú heag.)Buckley, R., S. Kontoe, R. Jardine, P. Barbosa, agus F. Schroeder. Pile Driveability in Low-to-medium Density Chalk. NRC Research Press, 2020.
Lua MLA (9ú heag.)Buckley, R., et al. Pile Driveability in Low-to-medium Density Chalk. NRC Research Press, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.