APA-referens

Tonjes, J. J. (1994). The pineapple in the atlantic zone of Costa Rica: A study on the sustainability of the cropping system of pineapple in the Atlantic Zone of Costa Rica.

Chicago-stil citat

Tonjes, J. J. The Pineapple in the Atlantic Zone of Costa Rica: A Study On the Sustainability of the Cropping System of Pineapple in the Atlantic Zone of Costa Rica. 1994.

MLA-referens

Tonjes, J. J. The Pineapple in the Atlantic Zone of Costa Rica: A Study On the Sustainability of the Cropping System of Pineapple in the Atlantic Zone of Costa Rica. 1994.

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