Παραπομπή σε μορφή APA (7η εκδ.)

Duthie, J. F. (1973). Flora of the Upper Gangetic Plain and of the adjacent Siwalik and Sub-Himalayan tracts. Bishen Singh Mahendra Pal Singh.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Duthie, J. F. Flora of the Upper Gangetic Plain and of the Adjacent Siwalik and Sub-Himalayan Tracts. Dehra Dun: Bishen Singh Mahendra Pal Singh, 1973.

Παραπομπή σε μορφή MLA (8th εκδ.)

Duthie, J. F. Flora of the Upper Gangetic Plain and of the Adjacent Siwalik and Sub-Himalayan Tracts. Bishen Singh Mahendra Pal Singh, 1973.