Gaya APA

Ashmore, W., Sharer, R, J. (2013). Discovering our past: a brief introducion to archaelogy (ed.6). United State of America: Sixt Edition.

Gaya MLA

Ashmore, Wendy., Sharer, Robert, J.. "Discovering our past: a brief introducion to archaelogy". ed.6 United State of America: Sixt Edition, 2013. Text.