APA-viite (7. p.)

Não informado. (1996). Agriculture and environment for developing regions. Royal Tropical Institute.

Chicago-viite (17. p.)

Não informado. Agriculture and Environment for Developing Regions. Amsterdam: Royal Tropical Institute, 1996.

MLA-viite (8. p.)

Não informado. Agriculture and Environment for Developing Regions. Royal Tropical Institute, 1996.

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