APA

Kenny N., Kelly A., . (2001). Ready for PET. Oxford: Macmillan Heinemann.

Chicago

Kenny N, Kelly A, . 2001. Ready for PET. Oxford: Macmillan Heinemann.

Harvard

Kenny N., Kelly A., . (2001). Ready for PET. Oxford: Macmillan Heinemann.

MLA

Kenny N, Kelly A, . Ready for PET. Oxford: Macmillan Heinemann. 2001.