APA (7th ed.) Citation

Michele Guerrini Autor & Izabella Hearn Autor Secundario Lois May. (2011). Comet 1 Pupil´s Book. University of Dayton Publishing.

Chicago Style (17th ed.) Citation

Michele Guerrini Autor and Izabella Hearn Autor Secundario Lois May. Comet 1 Pupil´s Book. s l: University of Dayton Publishing, 2011.

MLA (9th ed.) Citation

Michele Guerrini Autor and Izabella Hearn Autor Secundario Lois May. Comet 1 Pupil´s Book. University of Dayton Publishing, 2011.