Παραπομπή APA

Allen, W. S. (1957). Living english structure: A practice book for foreign students and key (3rd ed.). London: Longmans, Green and Co.

Παραπομπή Chicago Style

Allen, William Stannard. Living English Structure: A Practice Book for Foreign Students and Key. 3rd ed. London: Longmans, Green and Co, 1957.

Παραπομπή MLA

Allen, William Stannard. Living English Structure: A Practice Book for Foreign Students and Key. 3rd ed. London: Longmans, Green and Co, 1957.

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