APA
Freiberg K. L., . (2008). Human development 08/09. Boston, MA: McGraw-Hill Higher Education.
Chicago
Freiberg Karen L, . 2008. Human development 08/09. Boston, MA: McGraw-Hill Higher Education.
Harvard
Freiberg K. L., . (2008). Human development 08/09. Boston, MA: McGraw-Hill Higher Education.
MLA
Freiberg Karen L, . Human development 08/09. Boston, MA: McGraw-Hill Higher Education. 2008.