APA aipamena

Erdelen, W. (1993). Ecology and landscape management in Sri Lanka.

Chicago Style aipamena

Erdelen, W. Ecology and Landscape Management in Sri Lanka. Verlag Josef Margraf, Germany, 1993.

MLA aipamena

Erdelen, W. Ecology and Landscape Management in Sri Lanka. 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.