APA
West W D, .Jurassic Plants From The Saighan Series Of Northern Afghanistan And Their Palaeoclimatological & Palaeo-clim & Pal-geograph Significance,new Ser 33 No2. : Geol Surv India, Calcutta.
Chicago
West W D, .Jurassic Plants From The Saighan Series Of Northern Afghanistan And Their Palaeoclimatological & Palaeo-clim & Pal-geograph Significance,new Ser 33 No2. : Geol Surv India, Calcutta.
Harvard
West W D, .Jurassic Plants From The Saighan Series Of Northern Afghanistan And Their Palaeoclimatological & Palaeo-clim & Pal-geograph Significance,new Ser 33 No2. : Geol Surv India, Calcutta.
MLA
West W D, .: Geol Surv India, Calcutta. .