Spellerberg, I. F. (1992). Evaluation and assessment for conservation: Ecological guidelines for determining priorities for nature conservation. London: Chapman & Hall.
Citação norma ChicagoSpellerberg, Ian F. Evaluation and Assessment for Conservation: Ecological Guidelines for Determining Priorities for Nature Conservation. London: Chapman & Hall, 1992.
Citação norma MLASpellerberg, Ian F. Evaluation and Assessment for Conservation: Ecological Guidelines for Determining Priorities for Nature Conservation. London: Chapman & Hall, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.