MacGregor, J. C. (1983). A guide to the Huntington Herb Garden. Huntington Library.
Lua i Stíl Chicago (17ú heag.)MacGregor, John C. A Guide to the Huntington Herb Garden. San Marino, Calif.: Huntington Library, 1983.
Lua MLA (8ú heag.)MacGregor, John C. A Guide to the Huntington Herb Garden. Huntington Library, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.