Kalthoff, K. (2001). Analysis of Biological development. McGraw-Hill.
Chicago Style (17. basım) AtıfKalthoff, Klaus. Analysis of Biological Development. Boston: McGraw-Hill, 2001.
MLA (9th ed.) AtıfKalthoff, Klaus. Analysis of Biological Development. McGraw-Hill, 2001.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..