ORANGE EDUCATION. (2017). THE FROG PRINCE - GRADED READER - LEVEL 1. ORANGE EDUCATION.
Citazione stile Chigago Style (17a edizione)ORANGE EDUCATION. THE FROG PRINCE - GRADED READER - LEVEL 1. NEW DELHI: ORANGE EDUCATION, 2017.
Citatione MLA (9a ed.)ORANGE EDUCATION. THE FROG PRINCE - GRADED READER - LEVEL 1. ORANGE EDUCATION, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.