Lua APA (7ú heag.)

International Horticultural Congress The Hague. (1956). Report. H. Veenman.

Lua i Stíl Chicago (17ú heag.)

International Horticultural Congress The Hague. Report. Wageningen, Netherlands: H. Veenman, 1956.

Lua MLA (8ú heag.)

International Horticultural Congress The Hague. Report. H. Veenman, 1956.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.