Deary, T. (2016). Vicious Vikings. Scholastic.
Cita Chicago (17th ed.)Deary, Terry. Vicious Vikings. london: Scholastic, 2016.
Cita MLA (8th ed.)Deary, Terry. Vicious Vikings. Scholastic, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.