Παραπομπή APA

(1972). Ground water and wells: A reference book for the water-well industry. Minnesota: Johnson division, universal oil products co.

Παραπομπή Chicago Style

Ground Water and Wells: A Reference Book for the Water-well Industry. Minnesota: Johnson division, universal oil products co, 1972.

Παραπομπή MLA

Ground Water and Wells: A Reference Book for the Water-well Industry. Minnesota: Johnson division, universal oil products co, 1972.

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