Williams, B., & Kramer, J. Native ecuadorian orchids: Rodriguezia-zygosepalum.
Lua i Stíl Chicago (17ú heag.)Williams, Brian, agus Jack Kramer. Native Ecuadorian Orchids: Rodriguezia-zygosepalum.
Lua MLA (8ú heag.)Williams, Brian, agus Jack Kramer. Native Ecuadorian Orchids: Rodriguezia-zygosepalum.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.