Gerber, P.J., Steinfeld, H., Henderson, B., Mottet, A., Opio, C., Dijkman, J., Falcucci, A. & Tempio, G. – Food and Agriculture Organization of the United Nations (FAO).
Valiku tegemisel valite ka sellega kaasnevad tagajärjed. Valiku tegemiseks on alati parem teada loo mõlemat poolt.
Gerber, P.J., Steinfeld, H., Henderson, B., Mottet, A., Opio, C., Dijkman, J., Falcucci, A. & Tempio, G. – Food and Agriculture Organization of the United Nations (FAO).