Williams, B., & Kramer, J. Orchids for everyone: A practical guide to the cultivation of over 200 of the world´s most beautiful varieties.
Lua i Stíl Chicago (17ú heag.)Williams, Brian, agus Jack Kramer. Orchids for Everyone: A Practical Guide to the Cultivation of over 200 of the World´s Most Beautiful Varieties.
Lua MLA (8ú heag.)Williams, Brian, agus Jack Kramer. Orchids for Everyone: A Practical Guide to the Cultivation of over 200 of the World´s Most Beautiful Varieties.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.