Johnson, W. C. (1944). Mathematical and physical principles of engineering analysis. McGraw-Hil.
Chicago-viite (17. p.)Johnson, Walter C. Mathematical and Physical Principles of Engineering Analysis. New York: McGraw-Hil, 1944.
MLA-viite (9. p.)Johnson, Walter C. Mathematical and Physical Principles of Engineering Analysis. McGraw-Hil, 1944.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.