APA-referens (7:e uppl.)

Varshney, R. K., Nandi, B., & Nahar, S. C. (1981). On a collection of butterflies from Hazaribagh National Park and near by areas in south Bihar (Lepidoptera: Rhopalocera). Zoological Survey of India.

Chicago-referens (17:e uppl.)

Varshney, Rajendra Kumar, B. Nandi, och S. C. Nahar. On a Collection of Butterflies from Hazaribagh National Park and Near by Areas in South Bihar (Lepidoptera: Rhopalocera). Calcutta: Zoological Survey of India, 1981.

MLA-referens (8:e uppl.)

Varshney, Rajendra Kumar, et al. On a Collection of Butterflies from Hazaribagh National Park and Near by Areas in South Bihar (Lepidoptera: Rhopalocera). Zoological Survey of India, 1981.