Gaya APA

Holtz, Robert D., Kovacs, William D., Sheahan, Thomas C.. (2011). An introduction to geotechnical engineering (2). Sebastopol, CA: Prentice Hall.

Gaya Chicago

Holtz, Robert D., Kovacs, William D., Sheahan, Thomas C.. An introduction to geotechnical engineering. 2 Sebastopol, CA: Prentice Hall, 2011. Text.

Gaya MLA

Holtz, Robert D., Kovacs, William D., Sheahan, Thomas C.. An introduction to geotechnical engineering. 2 Sebastopol, CA: Prentice Hall, 2011. Text.

Gaya Turabian

Holtz, Robert D., Kovacs, William D., Sheahan, Thomas C.. An introduction to geotechnical engineering. 2 Sebastopol, CA: Prentice Hall, 2011. Print.