Dyfyniad APA

American Society of Civil Engineeris. New York. (1984). Practical Guidelines for the Selection, Design and Instsllation of Piles. ASCE.

Dyfyniad Arddull Chicago

American Society of Civil Engineeris. New York. Practical Guidelines for the Selection, Design and Instsllation of Piles. New York: ASCE, 1984.

Dyfyniad MLA

American Society of Civil Engineeris. New York. Practical Guidelines for the Selection, Design and Instsllation of Piles. ASCE, 1984.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.