Collett , H., & Hooker, J. D. (1921). Flora simlensis: A handbook of the flowering plants of Simla and the neighbourhood. Thacker, Spink.
Lua i Stíl Chicago (17ú heag.)Collett , Henry, agus Joseph D. Hooker. Flora Simlensis: A Handbook of the Flowering Plants of Simla and the Neighbourhood. Calcutta: Thacker, Spink, 1921.
Lua MLA (9ú heag.)Collett , Henry, agus Joseph D. Hooker. Flora Simlensis: A Handbook of the Flowering Plants of Simla and the Neighbourhood. Thacker, Spink, 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.