Bensink, J. (1971). On morphogenesis of lettuce leaves in relation to light and temperature. H. Veenman.
Lua i Stíl Chicago (17ú heag.)Bensink, J. On Morphogenesis of Lettuce Leaves in Relation to Light and Temperature. Wageningen: H. Veenman, 1971.
Lua MLA (8ú heag.)Bensink, J. On Morphogenesis of Lettuce Leaves in Relation to Light and Temperature. H. Veenman, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.