APA
Swan M., . (2012). Oxford pocket basic English usage: ideal for self study : simple and practical : settles problems : corrects mistakes. New Delhi: Oxford University Press.
Chicago
Swan Michael, . 2012. Oxford pocket basic English usage: ideal for self study : simple and practical : settles problems : corrects mistakes. New Delhi: Oxford University Press.
Harvard
Swan M., . (2012). Oxford pocket basic English usage: ideal for self study : simple and practical : settles problems : corrects mistakes. New Delhi: Oxford University Press.
MLA
Swan Michael, . Oxford pocket basic English usage: ideal for self study : simple and practical : settles problems : corrects mistakes. New Delhi: Oxford University Press. 2012.