Food and Agriculture Organization of the United Nations. (1990). Soilless culture for horticultural crop production. Food and Agriculture Organization of the United Nations.
Chicago (17e ed.) BronvermeldingFood and Agriculture Organization of the United Nations. Soilless Culture for Horticultural Crop Production. Rome: Food and Agriculture Organization of the United Nations, 1990.
MLA (9e ed.) BronvermeldingFood and Agriculture Organization of the United Nations. Soilless Culture for Horticultural Crop Production. Food and Agriculture Organization of the United Nations, 1990.