Constanda, C. (2010). Solution techniques for elementary partial: Differential equations. CRC Pr.
Chicago-viite (17. p.)Constanda, Christian. Solution Techniques for Elementary Partial: Differential Equations. New York: CRC Pr, 2010.
MLA-viite (9. p.)Constanda, Christian. Solution Techniques for Elementary Partial: Differential Equations. CRC Pr, 2010.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.