Manjusha C M & Sujatha V S(Guide). (2007). Crop-standard interactions in Black pepper(piper NigrumL.). Department of Plantation crops and Spices, College of Horticulture.
Chicago Edition CitationManjusha C M i Sujatha V S(Guide). Crop-standard Interactions in Black Pepper(piper NigrumL.). Vellanikkara: Department of Plantation crops and Spices, College of Horticulture, 2007.
Cita MLAManjusha C M i Sujatha V S(Guide). Crop-standard Interactions in Black Pepper(piper NigrumL.). Department of Plantation crops and Spices, College of Horticulture, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.