APA
Mansell T. &. L. M., . (1984). Starting points : writing letters. Pitman publishing limited, London: .
Chicago
Mansell Thelma & Leafe Margaret, . 1984. Starting points : writing letters. Pitman publishing limited, London: .
Harvard
Mansell T. &. L. M., . (1984). Starting points : writing letters. Pitman publishing limited, London: .
MLA
Mansell Thelma & Leafe Margaret, . Starting points : writing letters. Pitman publishing limited, London: . 1984.