United Nations Office for Outer Space Affairs. (1998). Education, Training, Research and Fellowship Opportunities in Space Science and Technology and its Applications. A Directory: A/AC.105/671. UN OOSA.
Чикаго маягийн жагсаалтUnited Nations Office for Outer Space Affairs. Education, Training, Research and Fellowship Opportunities in Space Science and Technology and Its Applications. A Directory: A/AC.105/671. Vienna: UN OOSA, 1998.
MLA ишлэлUnited Nations Office for Outer Space Affairs. Education, Training, Research and Fellowship Opportunities in Space Science and Technology and Its Applications. A Directory: A/AC.105/671. UN OOSA, 1998.
Warning: These citations may not always be 100% accurate.