APA-viite (7. p.)
Raj, P. P. (2008). Soil mechanics and foundation engineering. Pearson Education.
Chicago-viite (17. p.)
Raj, P. Purushothama. Soil Mechanics and Foundation Engineering. New Delhi: Pearson Education, 2008.
MLA-viite (9. p.)
Raj, P. Purushothama. Soil Mechanics and Foundation Engineering. Pearson Education, 2008.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.