Cita APA (7th ed.)

ASTM Committee D-18 on Soil and Rock, Symposium on Design, Construction, and Testing of Deep Foundation Improvements, Esrig, M. I., & Bachus, R. C. (1991). Deep foundation improvements: Design, construction, and testing. ASTM.

Cita Chicago (17th ed.)

ASTM Committee D-18 on Soil and Rock, Construction Symposium on Design, Melvin I. Esrig, i Robert C. Bachus. Deep Foundation Improvements: Design, Construction, and Testing. Philadelphia, PA: ASTM, 1991.

Cita MLA (8th ed.)

ASTM Committee D-18 on Soil and Rock, et al. Deep Foundation Improvements: Design, Construction, and Testing. ASTM, 1991.