APA-referens (7:e uppl.)

BELL SIMON. (2008). DESIGN FOR OUTDOOR RECREATION. TAYLOR AND FRANCIS.

Chicago-referens (17:e uppl.)

BELL SIMON. DESIGN FOR OUTDOOR RECREATION. NEW YORK: TAYLOR AND FRANCIS, 2008.

MLA-referens (9:e uppl.)

BELL SIMON. DESIGN FOR OUTDOOR RECREATION. TAYLOR AND FRANCIS, 2008.