APA-referens (7:e uppl.)

Brien, R. M. (1957). Diseases and pests of lettuce in New Zealand and their control. N.Z. Dept. of Scientific and Industrial Research.

Chicago-referens (17:e uppl.)

Brien, R. M. Diseases and Pests of Lettuce in New Zealand and Their Control. [Wellington]: N.Z. Dept. of Scientific and Industrial Research, 1957.

MLA-referens (8:e uppl.)

Brien, R. M. Diseases and Pests of Lettuce in New Zealand and Their Control. N.Z. Dept. of Scientific and Industrial Research, 1957.