APA
Charlier J., Giraud J. i., . (1990). Chihuahua Pearl. Lisboa: Meribérica/Liber.
Chicago
Charlier Jean-Michel, Giraud Jean il, . 1990. Chihuahua Pearl. Lisboa: Meribérica/Liber.
Harvard
Charlier J., Giraud J. i., . (1990). Chihuahua Pearl. Lisboa: Meribérica/Liber.
MLA
Charlier Jean-Michel, Giraud Jean il, . Chihuahua Pearl. Lisboa: Meribérica/Liber. 1990.