Crystal, David, 1941-
Advanced conversational English / David Crystal, Derek Davy. - London : Longman, 1975. - x, 132 p. - Applied linguistics and language study .
0582550742
English language--Study and teaching--Foreign speakers.
English language--Conversation and phrase books.
English language--Spoken English.
Advanced conversational English / David Crystal, Derek Davy. - London : Longman, 1975. - x, 132 p. - Applied linguistics and language study .
0582550742
English language--Study and teaching--Foreign speakers.
English language--Conversation and phrase books.
English language--Spoken English.