Verweij, P. A. (1995). Spatial and temporal modelling of vegetation patterns: Burning and grazing in the paramo of Los Navados National Park, Colombia. Universiteit van Amsterdam.
Čikaški stil citiranja (17. izdanje)Verweij, Pita Adriana. Spatial and Temporal Modelling of Vegetation Patterns: Burning and Grazing in the Paramo of Los Navados National Park, Colombia. Netherlands: Universiteit van Amsterdam, 1995.
MLA način citiranja (8. izdanje)Verweij, Pita Adriana. Spatial and Temporal Modelling of Vegetation Patterns: Burning and Grazing in the Paramo of Los Navados National Park, Colombia. Universiteit van Amsterdam, 1995.
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