APA-viite

Beer, J. (1987). Advantages, disadvantages and desirable characteristics of shade trees for coffee, cacao and tea.

Chicago-tyylinen lähdeviittaus

Beer, John. Advantages, Disadvantages and Desirable Characteristics of Shade Trees for Coffee, Cacao and Tea. 1987.

MLA-viite

Beer, John. Advantages, Disadvantages and Desirable Characteristics of Shade Trees for Coffee, Cacao and Tea. 1987.

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