Cita APA (7th ed.)

Sin, S. G. (1989). A great mind. Foreign Languages Pub.

Cita Chicago (17th ed.)

Sin, Sang Gyun. A Great Mind. Pyongyang, Korea: Foreign Languages Pub, 1989.

Cita MLA (9th ed.)

Sin, Sang Gyun. A Great Mind. Foreign Languages Pub, 1989.