APA ציטוט

Brieger, N. (1990). Social Contacts: Materials for developing listening ans speaking skills in business and social contexts. New York: Phoenix ELT.

Trích dẫn kiểu Chicago

Brieger, Nick. Social Contacts: Materials for Developing Listening Ans Speaking Skills in Business and Social Contexts. New York: Phoenix ELT, 1990.

ציטוט MLA

Brieger, Nick. Social Contacts: Materials for Developing Listening Ans Speaking Skills in Business and Social Contexts. New York: Phoenix ELT, 1990.