Hong Sung Un. (1990). Economic development in the Democratic People's Republic of Korea. s.n.
Citación estilo ChicagoHong Sung Un. Economic Development in the Democratic People's Republic of Korea. Pyongyang, Korea: s.n, 1990.
Cita MLAHong Sung Un. Economic Development in the Democratic People's Republic of Korea. s.n, 1990.
Warning: These citations may not always be 100% accurate.