APA-ийн эшлэл(7 дахь хэвлэлт)

Stone, C. D. (1993). The gnat is older than man: Global environment and human agenda. Princeton University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Stone, Christopher D. The Gnat Is Older than Man: Global Environment and Human Agenda. Princeton, N.J.: Princeton University Press, 1993.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Stone, Christopher D. The Gnat Is Older than Man: Global Environment and Human Agenda. Princeton University Press, 1993.