Citazione Stile APA (7a Edizione)

Freiwald, J., & Biorklund, M. (2010). Lab language activity books: Based on the story number the stars. Ediciones Lilium.

Citazione stile Chigago Style (17a edizione)

Freiwald, Jacqueline, e Magdalena Biorklund. Lab Language Activity Books: Based on the Story Number the Stars. Buenos Aires: Ediciones Lilium, 2010.

Citatione MLA (9a ed.)

Freiwald, Jacqueline, e Magdalena Biorklund. Lab Language Activity Books: Based on the Story Number the Stars. Ediciones Lilium, 2010.