Steward, J., & Van der Merwe, C. K. Proceedings of the tenth world orchid conference.
Lua i Stíl Chicago (17ú heag.)Steward, Joyce, agus C.N. Klesie Van der Merwe. Proceedings of the Tenth World Orchid Conference.
Lua MLA (8ú heag.)Steward, Joyce, agus C.N. Klesie Van der Merwe. Proceedings of the Tenth World Orchid Conference.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.