APA aipamena

BELL SIMON. DESIGN FOR OUTDOOE RECREATION. TYLOR AND FRANCIS.

Chicago Style aipamena

BELL SIMON. DESIGN FOR OUTDOOE RECREATION. USA CANDA: TYLOR AND FRANCIS.

MLA aipamena

BELL SIMON. DESIGN FOR OUTDOOE RECREATION. TYLOR AND FRANCIS.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.