Spellerberg, I. F. (1992). Evaluation and assessment for conservation: Ecological guidelines for determining priorities for nature conservation. London: Chapman & Hall.
Styl ChicagoSpellerberg, Ian F. Evaluation and Assessment for Conservation: Ecological Guidelines for Determining Priorities for Nature Conservation. London: Chapman & Hall, 1992.
Citace podle MLASpellerberg, Ian F. Evaluation and Assessment for Conservation: Ecological Guidelines for Determining Priorities for Nature Conservation. London: Chapman & Hall, 1992.
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