Yu, T. Y., Turner, I. M., & Cheek, M. (2021). Revision of Chassalia (Rubiaceae-Rubioideae-Palicoureeae) in Borneo, with 14 new species. Consortium of European Natural History Museums.
Lua i Stíl Chicago (17ú heag.)Yu, Tian Yi, Ian M. Turner, agus Martin Cheek. Revision of Chassalia (Rubiaceae-Rubioideae-Palicoureeae) in Borneo, with 14 New Species. Consortium of European Natural History Museums, 2021.
Lua MLA (9ú heag.)Yu, Tian Yi, et al. Revision of Chassalia (Rubiaceae-Rubioideae-Palicoureeae) in Borneo, with 14 New Species. Consortium of European Natural History Museums, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.