Carol, Ford Cultural encouters : What to do and say in social situation in English / Carol Ford, Ann Silverman, David Haines ; ill. by Elivia . - Oxford : Pergamon Press, 1983 . - VI-94 p. : ill. ; 17 cm. - Pergamon Institute of English . ISBN: 0080294448 Source: Don britannique Universal Decimal Class. No.: 802.0