APA aipamena

Mahajan, G. (1995). Ground water surveys and investigation. Ashish.

Chicago Style aipamena

Mahajan, Gautam. Ground Water Surveys and Investigation. New Delhi: Ashish, 1995.

MLA aipamena

Mahajan, Gautam. Ground Water Surveys and Investigation. Ashish, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.