Não informado. (1978). Cost Engineering. American Association of Cost Engineers.
Chicago-Zitierstil (17. Ausg.)Não informado. Cost Engineering. Morgantown, Wa. Va: American Association of Cost Engineers, 1978.
MLA-Zitierstil (8. Ausg.)Não informado. Cost Engineering. American Association of Cost Engineers, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.