APA ציטוט

HarperCollins. (1991). Collins COBUILD English guides. 1, Prepositions. HarperCollins.

Chicago Style (17th ed.) Citation

HarperCollins. Collins COBUILD English Guides. 1, Prepositions. London: HarperCollins, 1991.

ציטוט MLA

HarperCollins. Collins COBUILD English Guides. 1, Prepositions. HarperCollins, 1991.