APA

Ershova E. A., Nikulina I. E. & Abushaeva M. E.Types of information systems and technologies of a company. : .

Chicago

Ershova E A, Nikulina I E and Abushaeva M E.Types of information systems and technologies of a company. : .

Harvard

Ershova E. A., Nikulina I. E. and Abushaeva M. E.Types of information systems and technologies of a company. : .

MLA

Ershova E A, Nikulina I E and Abushaeva M E.: . .