APA-viite (7. p.)
Das, B. M. (2007). Principles of foundation engineering: Adapted international student edition (6th ed.). Thomson.
Chicago-viite (17. p.)
Das, Braja M. Principles of Foundation Engineering: Adapted International Student Edition. 6th ed. Singapore: Thomson, 2007.
MLA-viite (9. p.)
Das, Braja M. Principles of Foundation Engineering: Adapted International Student Edition. 6th ed. Thomson, 2007.
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