Citação norma APA

Bijkerk,C. (1975). Recreation values of forests and parks. Institute for land and water management research.

Citação norma Chicago

Bijkerk,C. Recreation Values of Forests and Parks. Netherlands: Institute for land and water management research, 1975.

Citação norma MLA

Bijkerk,C. Recreation Values of Forests and Parks. Institute for land and water management research, 1975.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.