APA (7th ed.) Citation

Trask,R.L. (2001). Penguin Guide To Common Errors In English (NA.). Penguin Books.

Chicago Style (17th ed.) Citation

Trask,R.L. Penguin Guide To Common Errors In English. NA. New Delhi: Penguin Books, 2001.

MLA (9th ed.) Citation

Trask,R.L. Penguin Guide To Common Errors In English. NA. Penguin Books, 2001.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.