Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.