Gaya APA

Yaukey, J, H, L, ,, D, L, A, ,, D. (2015). DEMOGRAPHY The Study of Human Population (Fourth Edition). : .

Gaya MLA

Yaukey, Jennifer, Hickes, Lundquist, ,, Douglas, L., Anderton, ,, David. "DEMOGRAPHY The Study of Human Population". Fourth Edition : , 2015. Transparency.