Angel, H. (1982). The book of nature photography. Ebury Press.
Chicago Style aipamenaAngel, Heather. The Book of Nature Photography. London: Ebury Press, 1982.
MLA aipamenaAngel, Heather. The Book of Nature Photography. Ebury Press, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.