Allen, W. S. (1957). Living english structure: A practice book for foreign students and key (3rd ed.). London: Longmans, Green and Co.
Chicago-tyylinen lähdeviittausAllen, William Stannard. Living English Structure: A Practice Book for Foreign Students and Key. 3rd ed. London: Longmans, Green and Co, 1957.
MLA-viiteAllen, William Stannard. Living English Structure: A Practice Book for Foreign Students and Key. 3rd ed. London: Longmans, Green and Co, 1957.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.