Madrigal, L. Statistics for anthropology. Cambridge.
Chicago Style (17th ed.) ZitazioaMadrigal, Lorena. Statistics for Anthropology. c1998(1999 printing): Cambridge.
MLA (9th ed.) ZitazioaMadrigal, Lorena. Statistics for Anthropology. Cambridge.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.