Citazione Stile APA (7a Edizione)

Sung, K. I. (1980). Works. Foreign Languages Publishing House.

Citazione stile Chigago Style (17a edizione)

Sung, Kim Il. Works. Pyongyang: Foreign Languages Publishing House, 1980.

Citatione MLA (9a ed.)

Sung, Kim Il. Works. Foreign Languages Publishing House, 1980.