Cita APA (7a ed.)
ebrary, Inc. (2011). A practical guide to energy management for managers. Energywise.
Cita Chicago Style (17a ed.)
ebrary, Inc. A Practical Guide to Energy Management for Managers. London: Energywise, 2011.
Cita MLA (9a ed.)
ebrary, Inc. A Practical Guide to Energy Management for Managers. Energywise, 2011.
Precaución: Estas citas no son 100% exactas.