Ralph, E. K., & Michael, H. N. (1971). Dating techniques for the archaeologist. MIT.
Cita Chicago (17th ed.)Ralph, Elizabeth K., i Henry N. Michael. Dating Techniques for the Archaeologist. Cambridge, Mass: MIT, 1971.
Cita MLA (9th ed.)Ralph, Elizabeth K., i Henry N. Michael. Dating Techniques for the Archaeologist. MIT, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.