Langenheim, J. H. (1982). Botany: Plant biology and its relation to human affairs. John Wiley.
Lua i Stíl Chicago (17ú heag.)Langenheim, Jean H. Botany: Plant Biology and Its Relation to Human Affairs. New York: John Wiley, 1982.
Lua MLA (9ú heag.)Langenheim, Jean H. Botany: Plant Biology and Its Relation to Human Affairs. John Wiley, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.