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.
Cytowanie według stylu Chicago (wyd. 17)Parkinson, 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.
Cytowanie według stylu MLA (wyd. 9)Parkinson, 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.