Tolong jelaskan mengenai Rujukan dari Kacang pinus dalam bahasa melayu

Farris, Glenn J. "Quality Food: The Quest for Pine Nuts in Northern California." In Before the Wilderness: Environmental Management by Native Californians, comp. and ed. T. C. Blackburn, and K. Anderson, 229-240. Ballena Press Anthropological Papers, no. 40. Menlo Park, Calif.: Ballena Press, 1993.