Gaya APA

Arengo, S., O'Kif, A. (2011). Classic tales level 2 : Jack and the beanstalk (Ed. 2). United Kingdom: Oxford University Press.

Gaya MLA

Arengo, Sue., O'Kif, Alejandro. "Classic tales level 2 : Jack and the beanstalk". Ed. 2 United Kingdom: Oxford University Press, 2011. Text.