APA ציטוט

Sowers, G. B., & Sowers, G. F. (1958). Introductory soil mechanics and foundations.

Chicago Edition Citation

Sowers, George B., and George F. Sowers. Introductory Soil Mechanics and Foundations. 1958.

ציטוט MLA

Sowers, George B., and George F. Sowers. Introductory Soil Mechanics and Foundations. 1958.