(1998). The world book encyclopedia: In eighteen volumes and reading and study guide. Interpress.
Чикаго маягийн жагсаалтThe World Book Encyclopedia: In Eighteen Volumes and Reading and Study Guide. Chicago: Interpress, 1998.
MLA ишлэлThe World Book Encyclopedia: In Eighteen Volumes and Reading and Study Guide. Interpress, 1998.
Warning: These citations may not always be 100% accurate.