Harris, F. (1994). Modern Construction And Ground Engineering Equipment And Methods. Longman Scientific & Technical.
Chicago-viite (17. p.)Harris, Frank. Modern Construction And Ground Engineering Equipment And Methods. Longman Scientific & Technical, 1994.
MLA-viite (8. p.)Harris, Frank. Modern Construction And Ground Engineering Equipment And Methods. Longman Scientific & Technical, 1994.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.