CROCKETT, J. U. (1978). Foliage House Plants James Underwood Crockett. Time Life Books.
Lua i Stíl Chicago (17ú heag.)CROCKETT, James Underwood. Foliage House Plants James Underwood Crockett. Time Life Books, 1978.
Lua MLA (8ú heag.)CROCKETT, James Underwood. Foliage House Plants James Underwood Crockett. Time Life Books, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.