APA
L Gartside, . (1976). Modern business correspondence : a practical course for use in schools, and by all who would write better business letters. The English Language Book Society and Macdonald and Evans, Plymouth: .
Chicago
L Gartside, . 1976. Modern business correspondence : a practical course for use in schools, and by all who would write better business letters. The English Language Book Society and Macdonald and Evans, Plymouth: .
Harvard
L Gartside, . (1976). Modern business correspondence : a practical course for use in schools, and by all who would write better business letters. The English Language Book Society and Macdonald and Evans, Plymouth: .
MLA
L Gartside, . Modern business correspondence : a practical course for use in schools, and by all who would write better business letters. The English Language Book Society and Macdonald and Evans, Plymouth: . 1976.