Lua APA (7ú heag.)

Holden, J. H. W., & Williams, J. T. (1984). Crop genetic resources: Conservation and evaluation. Allen & Unwin.

Lua i Stíl Chicago (17ú heag.)

Holden, J. H. W., agus John Trevor Williams. Crop Genetic Resources: Conservation and Evaluation. London: Allen & Unwin, 1984.

Lua MLA (9ú heag.)

Holden, J. H. W., agus John Trevor Williams. Crop Genetic Resources: Conservation and Evaluation. Allen & Unwin, 1984.

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