Παραπομπή APA

Rout, P. (1988). Environmental concept development in children. Ashish Publishing House.

Παραπομπή Chicago Style

Rout, Pravakar. Environmental Concept Development in Children. New Delhi: Ashish Publishing House, 1988.

Παραπομπή MLA

Rout, Pravakar. Environmental Concept Development in Children. Ashish Publishing House, 1988.