Cummings, P. (2010). Wilbur: English, Amharic, Chinese, Arabic and Vietnamese (1st published.). The Big Book Club.
Chicago-Zitierstil (17. Ausg.)Cummings, Phil. Wilbur: English, Amharic, Chinese, Arabic and Vietnamese. 1st published. Norwood, South Australia: The Big Book Club, 2010.
MLA-Zitierstil (9. Ausg.)Cummings, Phil. Wilbur: English, Amharic, Chinese, Arabic and Vietnamese. 1st published. The Big Book Club, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.