(2009). Korean for Intermediate: Learners 1. The National Institute of the Korean Language.
Citazione stile Chigago Style (17a edizione)Korean for Intermediate: Learners 1. [Korea]: The National Institute of the Korean Language, 2009.
Citatione MLA (9a ed.)Korean for Intermediate: Learners 1. The National Institute of the Korean Language, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.