Otis Common Stock Begins Trading on New York Stock Exchange | Otis Elevator Company. www.otisinvestors.com [online]. [cit. 2022-04-17]. Dostupné v archivu pořízeném z originálu dne 2022-06-02. (anglicky)
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CORP, United Technologies. United Technologies Board Of Directors Approves Separation Of Carrier And Otis And Declares Spin Off Distribution Of Carrier And Otis Shares. www.prnewswire.com [online]. [cit. 2022-04-17]. Dostupné online. (anglicky)
Otis Common Stock Begins Trading on New York Stock Exchange | Otis Elevator Company. www.otisinvestors.com [online]. [cit. 2022-04-17]. Dostupné v archivu pořízeném z originálu dne 2022-06-02. (anglicky)