Gaya APA

Keene, M, L., Adams, K, H. (2001). Easy access : the reference hanbook for writers (3). Boston, Massachusetts: McGraw Hill Higher Education.

Gaya MLA

Keene, Michael, L.., Adams, Katherine, H.. "Easy access : the reference hanbook for writers ". 3 Boston, Massachusetts: McGraw Hill Higher Education, 2001. Text.