| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Green Heart of Sabah: Danum Vallley, Maliau Basin, Imbak Canyon, Gunung Silam | 978-967-1O528-3-9 (967-1O528-3-5) | 2014 | Matt Oldfield · Jason Isley · Ch'ien C Lee · Christian Loader · Gilbert Woolley |