Παραπομπή APA

Narwal, S. S. (1997). Neem in sustainable agriculture. Scientific.

Παραπομπή Chicago Style

Narwal, Shamsher S. Neem in Sustainable Agriculture. Jodhpur: Scientific, 1997.

Παραπομπή MLA

Narwal, Shamsher S. Neem in Sustainable Agriculture. Scientific, 1997.