APA-referens

National water well Association. (1985). Well drilling manual. National water well Association.

Chicago-stil citat

National water well Association. Well Drilling Manual. India: National water well Association, 1985.

MLA-referens

National water well Association. Well Drilling Manual. National water well Association, 1985.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.