Evans V. Virginia, Dooley J. Jenny, & Shishova I. Irina. (2012). New Round-Up 6: Teacher's Book. Harlow, Pearson, 2012.
Citazione stile Chigago Style (17a edizione)Evans V. Virginia, Dooley J. Jenny, e Shishova I. Irina. New Round-Up 6: Teacher's Book. Harlow, Pearson, 2012, 2012.
Citatione MLA (9a ed.)Evans V. Virginia, et al. New Round-Up 6: Teacher's Book. Harlow, Pearson, 2012, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.