APA (7e ed.) Bronvermelding
Murphy, R. (1998). Essential english grammar: A self-study reference and practice book for elementary students of english; with answers (2nd ed.). CUP.
Chicago (17e ed.) Bronvermelding
Murphy, Raymond. Essential English Grammar: A Self-study Reference and Practice Book for Elementary Students of English; with Answers. 2nd ed. Cambridge: CUP, 1998.
MLA (9e ed.) Bronvermelding
Murphy, Raymond. Essential English Grammar: A Self-study Reference and Practice Book for Elementary Students of English; with Answers. 2nd ed. CUP, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.