Gaya APA
Arengo, S., Aguilar, S. (2020).
Classic Tales Level 1 : Three Billy - Goats .
London:
Oxford University Press.
Gaya MLA
Arengo, Sue., Aguilar, Sandra.
"Classic Tales Level 1 : Three Billy - Goats".
London:
Oxford University Press,
2020.
Text.