Gaya APA
Arengo, S., Aguilar, S. (2011).
Classic tales level 1 : three billy - goats (Ed. 1).
United Kingdom:
Oxford University Press.
Gaya MLA
Arengo, Sue., Aguilar, Sandra.
"Classic tales level 1 : three billy - goats".
Ed. 1
United Kingdom:
Oxford University Press,
2011.
Text.