Power and the engineer. Hill Pub. Co.
Chicago-viite (17. p.)Power and the Engineer. New York [etc.]: Hill Pub. Co.
MLA-viite (8. p.)Power and the Engineer. Hill Pub. Co.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
Power and the engineer. Hill Pub. Co.
Chicago-viite (17. p.)Power and the Engineer. New York [etc.]: Hill Pub. Co.
MLA-viite (8. p.)Power and the Engineer. Hill Pub. Co.