(1977). Seoul trade fair: Official exhibitors directory. [Korea]: Korea Trade Promotion Corporation.
Trích dẫn kiểu ChicagoSeoul Trade Fair: Official Exhibitors Directory. [Korea]: Korea Trade Promotion Corporation, 1977.
MLA引文Seoul Trade Fair: Official Exhibitors Directory. [Korea]: Korea Trade Promotion Corporation, 1977.
警告:這些引文格式不一定是100%准確.