Παραπομπή APA

Negi, S. (2000). Indian trees and their silviculture: Vol.1. Bishen Singh Mahendra Pal Singh.

Παραπομπή Chicago Style

Negi, S.S. Indian Trees and Their Silviculture: Vol.1. Dehra Dun: Bishen Singh Mahendra Pal Singh, 2000.

Παραπομπή MLA

Negi, S.S. Indian Trees and Their Silviculture: Vol.1. Bishen Singh Mahendra Pal Singh, 2000.