Gaya APA

Service, N, T, I. (1984). Handbook on Design of Piles and Drilled Shafts Under Lateral Load . Virginia: National Technical Information Service US Department of Commerce.

Gaya MLA

Service, National, Technical, Information. "Handbook on Design of Piles and Drilled Shafts Under Lateral Load". Virginia: National Technical Information Service US Department of Commerce, 1984. Text.