Curtis, W. J. (1911). Local public utilities: Lectures delivered at the Harvard Graduate School of Business Administration. [s.n.].
Chicago-Zitierstil (17. Ausg.)Curtis, William John. Local Public Utilities: Lectures Delivered at the Harvard Graduate School of Business Administration. S.l: [s.n.], 1911.
MLA-Zitierstil (9. Ausg.)Curtis, William John. Local Public Utilities: Lectures Delivered at the Harvard Graduate School of Business Administration. [s.n.], 1911.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.