Cita APA

Hong Sung Un. (1990). Economic development in the Democratic People's Republic of Korea. s.n.

Citación estilo Chicago

Hong Sung Un. Economic Development in the Democratic People's Republic of Korea. Pyongyang, Korea: s.n, 1990.

Cita MLA

Hong Sung Un. Economic Development in the Democratic People's Republic of Korea. s.n, 1990.

Warning: These citations may not always be 100% accurate.