APA-ийн эшлэл(7 дахь хэвлэлт)

MCGRAW-HILL. (1992). Mcgraw-hill encyclopedia of science and technology 8: GEO-HYS. McGraw-Hill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

MCGRAW-HILL. Mcgraw-hill Encyclopedia of Science and Technology 8: GEO-HYS. New York: McGraw-Hill, 1992.

MLA -ийн эшлэл (9 дэх хэвлэлт)

MCGRAW-HILL. Mcgraw-hill Encyclopedia of Science and Technology 8: GEO-HYS. McGraw-Hill, 1992.