Twentyfour 7: Wärtsilä Quarterly Magazine. Wärtsilä Corporation.
Cita Chicago Style (17a ed.)Twentyfour 7: Wärtsilä Quarterly Magazine. Helsinki: Wärtsilä Corporation.
Cita MLA (8a ed.)Twentyfour 7: Wärtsilä Quarterly Magazine. Wärtsilä Corporation.
Precaución: Estas citas no son 100% exactas.