APA-ийн эшлэл(7 дахь хэвлэлт)

Freeman, H. R., & Longanecker, G. W. (1979). The International Ultraviolet Explorer: Case study in spacecraft design. Goddard Space Flight Center.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Freeman, H. R., ба G. W. Longanecker. The International Ultraviolet Explorer: Case Study in Spacecraft Design. Greenbelt, Md.: Goddard Space Flight Center, 1979.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Freeman, H. R., ба G. W. Longanecker. The International Ultraviolet Explorer: Case Study in Spacecraft Design. Goddard Space Flight Center, 1979.