APA

Sandberg E., . (2008). Outings guide to 33 protected natural areas in Stockholm County. Stockholm: County Administrative Board of Stockholm.

Chicago

Sandberg E, . 2008. Outings guide to 33 protected natural areas in Stockholm County. Stockholm: County Administrative Board of Stockholm.

Harvard

Sandberg E., . (2008). Outings guide to 33 protected natural areas in Stockholm County. Stockholm: County Administrative Board of Stockholm.

MLA

Sandberg E, . Outings guide to 33 protected natural areas in Stockholm County. Stockholm: County Administrative Board of Stockholm. 2008.