APA

Petrushin S. I., Gubaidulina R. K. & Gruby S. V.Optimization of Products Life Cycle. : .

Chicago

Petrushin S I, Gubaidulina R Kh and Gruby S V.Optimization of Products Life Cycle. : .

Harvard

Petrushin S. I., Gubaidulina R. K. and Gruby S. V.Optimization of Products Life Cycle. : .

MLA

Petrushin S I, Gubaidulina R Kh and Gruby S V.: . .