APA
Abraham J, Philip A & Punnoose K I. (2001). Soil nutrient status during the immature phase of growth in a Hevea plantation. : Indian Journal of Natural Rubber Research.
Chicago
Abraham J, Philip A and Punnoose K I. 2001. Soil nutrient status during the immature phase of growth in a Hevea plantation. : Indian Journal of Natural Rubber Research.
Harvard
Abraham J, Philip A and Punnoose K I. (2001). Soil nutrient status during the immature phase of growth in a Hevea plantation. : Indian Journal of Natural Rubber Research.
MLA
Abraham J, Philip A and Punnoose K I. Soil nutrient status during the immature phase of growth in a Hevea plantation. : Indian Journal of Natural Rubber Research. 2001.