APA

Harper Collins Publishers, . (2007). Collins COBUILD advanced dictionary of American English. Glasgow: Harper Collins.

Chicago

Harper Collins Publishers, . 2007. Collins COBUILD advanced dictionary of American English. Glasgow: Harper Collins.

Harvard

Harper Collins Publishers, . (2007). Collins COBUILD advanced dictionary of American English. Glasgow: Harper Collins.

MLA

Harper Collins Publishers, . Collins COBUILD advanced dictionary of American English. Glasgow: Harper Collins. 2007.