APA aipamena

Karel Verschuren. (1977). Hand book of environmental data organic chemicals. Newyork.

Chicago Style aipamena

Karel Verschuren. Hand Book of Environmental Data Organic Chemicals. Newyork, 1977.

MLA aipamena

Karel Verschuren. Hand Book of Environmental Data Organic Chemicals. Newyork, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.