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 (17e ed.) BronvermeldingParkinson, 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 (9e ed.) BronvermeldingParkinson, 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.