Royal Botanic Gardens, Kew, Forman, L., & Bridson, D. M. (1989). The Herbarium handbook. Royal Botanic Gardens.
Lua i Stíl Chicago (17ú heag.)Royal Botanic Gardens, Kew, Leonard Forman, agus Diane M. Bridson. The Herbarium Handbook. Kew: Royal Botanic Gardens, 1989.
Lua MLA (9ú heag.)Royal Botanic Gardens, Kew, et al. The Herbarium Handbook. Royal Botanic Gardens, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.