Citazione APA

Woodward, R. J., & Gardner, S. W. G. (1972). Drilled Pier Foundations. McGraw-Hill.

Stile di citazione Chicago

Woodward, Richard J., e S. William Greer Gardner. Drilled Pier Foundations. New York: McGraw-Hill, 1972.

Citazione MLA

Woodward, Richard J., e S. William Greer Gardner. Drilled Pier Foundations. McGraw-Hill, 1972.