APA Style
CLARK, ALFRED T.. (1980).
Effective English for business communication (1).
CHICAGO:
SOUTH-WESTERN PUBLISHING CO..
Chicago Style
CLARK, ALFRED T..
Effective English for business communication.
1
CHICAGO:
SOUTH-WESTERN PUBLISHING CO.,
1980.
REF.
MLA Style
CLARK, ALFRED T..
Effective English for business communication.
1
CHICAGO:
SOUTH-WESTERN PUBLISHING CO.,
1980.
REF.
Turabian Style
CLARK, ALFRED T..
Effective English for business communication.
1
CHICAGO:
SOUTH-WESTERN PUBLISHING CO.,
1980.
REF.