Παραπομπή APA

Narwal, S. S. E. (2011). Soil allelochemicals.

Παραπομπή Chicago Style

Narwal, S S; Editor. Soil Allelochemicals. Texas, Studium Press LLC, 2011.

Παραπομπή MLA

Narwal, S S; Editor. Soil Allelochemicals. 2011.