(2013). Herding a hundred: Counting the sheep / by Donna Loughran ; content consultant, David T. Hughes, Mathematics Curriculum Specialist.
Citazione stile Chigago Style (17a edizione)Herding a Hundred: Counting the Sheep / by Donna Loughran ; Content Consultant, David T. Hughes, Mathematics Curriculum Specialist. 2013.
Citatione MLA (9a ed.)Herding a Hundred: Counting the Sheep / by Donna Loughran ; Content Consultant, David T. Hughes, Mathematics Curriculum Specialist. 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.