Parkinson, C. (2023). Illustrations, of Indian forest plants Part 4 – Hopea helferi (Dyer) Brandis, Hopea oblongifolia Dyer, Shorea floribunda Wall., Shorea assamica Dyer and Shorea sericeiflora fisher and Hutchinson. Manager of Publications, Government of India, Delhi.
Chicago Style (17. basım) AtıfParkinson, C.E. Illustrations, of Indian Forest Plants Part 4 – Hopea Helferi (Dyer) Brandis, Hopea Oblongifolia Dyer, Shorea Floribunda Wall., Shorea Assamica Dyer and Shorea Sericeiflora Fisher and Hutchinson. Manager of Publications, Government of India, Delhi, 2023.
MLA (9th ed.) AtıfParkinson, C.E. Illustrations, of Indian Forest Plants Part 4 – Hopea Helferi (Dyer) Brandis, Hopea Oblongifolia Dyer, Shorea Floribunda Wall., Shorea Assamica Dyer and Shorea Sericeiflora Fisher and Hutchinson. Manager of Publications, Government of India, Delhi, 2023.