Lua APA (7ú heag.)

Nowell, D., & Hills, D. (1988). TRACTIVE ROLLING OF TIRED CYLINDERS.

Lua i Stíl Chicago (17ú heag.)

Nowell, D., agus D. Hills. TRACTIVE ROLLING OF TIRED CYLINDERS. 1988.

Lua MLA (9ú heag.)

Nowell, D., agus D. Hills. TRACTIVE ROLLING OF TIRED CYLINDERS. 1988.

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