Παραπομπή APA

LS Khanna. (1982). Forest protection. Khanna Bandhu.

Παραπομπή Chicago Style

LS Khanna. Forest Protection. Dehra Dun: Khanna Bandhu, 1982.

Παραπομπή MLA

LS Khanna. Forest Protection. Khanna Bandhu, 1982.