APA Citatie

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

Chicago Style citaat

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

MLA citatie

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