Παραπομπή APA

Archana, S., & Shakhawat, K. (2013). Soil nutrient management for sustainable agriculture. Pointer.

Παραπομπή Chicago Style

Archana, Singh, και Kapila Shakhawat. Soil Nutrient Management for Sustainable Agriculture. Jaipur: Pointer, 2013.

Παραπομπή MLA

Archana, Singh, και Kapila Shakhawat. Soil Nutrient Management for Sustainable Agriculture. Pointer, 2013.