Skulan, J., & DePaolo, D. J. (1999). Calcium isotope fractionation between soft and mineralized tissues as a monitor of calcium use in vertebrates. National Academy of Sciences.
Citação norma ChicagoSkulan, Joseph, and Donald J. DePaolo. Calcium Isotope Fractionation between Soft and Mineralized tissues As a Monitor of Calcium Use in Vertebrates. National Academy of Sciences, 1999.
MLA引文Skulan, Joseph, and Donald J. DePaolo. Calcium Isotope Fractionation between Soft and Mineralized tissues As a Monitor of Calcium Use in Vertebrates. National Academy of Sciences, 1999.
警告：這些引文格式不一定是100％准確.