APA
Vallins G., . (1951). Good English ; how to write it. London: Pan Books Ltd.
Chicago
Vallins G.H, . 1951. Good English ; how to write it. London: Pan Books Ltd.
Harvard
Vallins G., . (1951). Good English ; how to write it. London: Pan Books Ltd.
MLA
Vallins G.H, . Good English ; how to write it. London: Pan Books Ltd. 1951.