APA aipamena

WALTON. (1970). Ground water resource evalution. McGraw-hill.

Chicago Style aipamena

WALTON. Ground Water Resource Evalution. Tokyo: McGraw-hill, 1970.

MLA aipamena

WALTON. Ground Water Resource Evalution. McGraw-hill, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.