Citazione APA

Sharma,V K, & Sharma,Y D. (1999). Prosperity through trees. APH publishing corporation.

Stile di citazione Chicago

Sharma,V K, e Sharma,Y D. Prosperity Through Trees. New Delhi: APH publishing corporation, 1999.

Citazione MLA

Sharma,V K, e Sharma,Y D. Prosperity Through Trees. APH publishing corporation, 1999.