APA

Samoylina Y. O., Onischenko I. O. & Tuchina N. V.Speech etiquette and politeness in American and Ukrainian cultures. : .

Chicago

Samoylina Y O, Onischenko I O and Tuchina N V.Speech etiquette and politeness in American and Ukrainian cultures. : .

Harvard

Samoylina Y. O., Onischenko I. O. and Tuchina N. V.Speech etiquette and politeness in American and Ukrainian cultures. : .

MLA

Samoylina Y O, Onischenko I O and Tuchina N V.: . .