APA-ийн эшлэл(7 дахь хэвлэлт)
ebrary, Inc. (1988). Space science in the twenty-first century: Imperatives for the decades 1995 to 2015 : report of the study steering group. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ebrary, Inc. Space Science in the Twenty-first Century: Imperatives for the Decades 1995 to 2015 : Report of the Study Steering Group. Washington, D.C.: National Academy Press, 1988.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ebrary, Inc. Space Science in the Twenty-first Century: Imperatives for the Decades 1995 to 2015 : Report of the Study Steering Group. National Academy Press, 1988.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.