Allen, W. S. (1955). Living English Structure (3a. ed.). Longman.
Cita Chicago Style (17a ed.)Allen, W. Stannard. Living English Structure. 3a. ed. London: Longman, 1955.
Cita MLA (9a ed.)Allen, W. Stannard. Living English Structure. 3a. ed. Longman, 1955.
警告：這些引文格式不一定是100％准確.