Lua APA (7ú heag.)

, H. Horizontal wells: Formation evaluation, drilling, and production, including heavy oil recovery. Gulf Publ. Co.

Lua i Stíl Chicago (17ú heag.)

, HORIZONTAL. Horizontal Wells: Formation Evaluation, Drilling, and Production, Including Heavy Oil Recovery. Gulf Publ. Co.

Lua MLA (8ú heag.)

, HORIZONTAL. Horizontal Wells: Formation Evaluation, Drilling, and Production, Including Heavy Oil Recovery. Gulf Publ. Co.

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