Gaya APA

Freiberg, K, L, F, K, L. (2007). Annual editions : Human Development.-- (Ed. 35.--). America: McGraw-Hill.

Gaya MLA

Freiberg, Karen, L., Freiberg,, Karen, L.. "Annual editions : Human Development.--". Ed. 35.-- America: McGraw-Hill, 2007. Buku.