Armitage, F., Joustra, P., & Salem , B. B. (1980). Genetic resources of tree species in Arid and Semi-Arid areas: A survey for the improvement of rural living in Latin America, Africa, India and Southwest Asia. Food and Agriculture Organisation of the United Nations.
Чикаго стиль цитування (17-те видання)Armitage, F.B, P.A Joustra, та B. Ben Salem. Genetic Resources of Tree Species in Arid and Semi-Arid Areas: A Survey for the Improvement of Rural Living in Latin America, Africa, India and Southwest Asia. Rome: Food and Agriculture Organisation of the United Nations, 1980.
Стиль цитування MLA (9-ме видання)Armitage, F.B, et al. Genetic Resources of Tree Species in Arid and Semi-Arid Areas: A Survey for the Improvement of Rural Living in Latin America, Africa, India and Southwest Asia. Food and Agriculture Organisation of the United Nations, 1980.