APA-ийн эшлэл(7 дахь хэвлэлт)

Little, M. (1976). Ecology, Energetics and Human variability. W.M.C Brown Company.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Little, Michael. Ecology, Energetics and Human Variability. NULL: W.M.C Brown Company, 1976.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Little, Michael. Ecology, Energetics and Human Variability. W.M.C Brown Company, 1976.