Brien, R. M. (1957). Diseases and pests of lettuce in New Zealand and their control. N.Z. Dept. of Scientific and Industrial Research.
Lua i Stíl Chicago (17ú heag.)Brien, R. M. Diseases and Pests of Lettuce in New Zealand and Their Control. [Wellington]: N.Z. Dept. of Scientific and Industrial Research, 1957.
Lua MLA (8ú heag.)Brien, R. M. Diseases and Pests of Lettuce in New Zealand and Their Control. N.Z. Dept. of Scientific and Industrial Research, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.