Gaya APA

al., M, L, H, E. (1987). Human exceptionality; sacienty, school and family. -- 2nd ed . Boston: Allyn and Bacon, Inc..

Gaya MLA

al., Michael, L., Hardman,, Et.. "Human exceptionality; sacienty, school and family. -- 2nd ed". Boston: Allyn and Bacon, Inc., 1987. Text.