APA Style
Gethin, Hugh. (1988).
Grammar in context : proficiency level English / Hugh Gethin .
London:
Collin ELT.
Chicago Style
Gethin, Hugh.
Grammar in context : proficiency level English / Hugh Gethin.
London:
Collin ELT,
1988.
Text.
MLA Style
Gethin, Hugh.
Grammar in context : proficiency level English / Hugh Gethin.
London:
Collin ELT,
1988.
Text.
Turabian Style
Gethin, Hugh.
Grammar in context : proficiency level English / Hugh Gethin.
London:
Collin ELT,
1988.
Print.