APA-ийн эшлэл(7 дахь хэвлэлт)

Johnson, D. M. (2011). Three prehistoric inventions that shaped us. Peter Lang.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Johnson, David Martel. Three Prehistoric Inventions That Shaped Us. New York: Peter Lang, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Johnson, David Martel. Three Prehistoric Inventions That Shaped Us. Peter Lang, 2011.