APA Style
Lefton, R, E., Loeb, J, T. (2005).
Creating an Effective Task Management System .
Jakarta:
PT Bhuana Ilmu Populer.
MLA Style
Lefton, Robert, E.., Loeb, Jerome, T..
"Creating an Effective Task Management System".
Jakarta:
PT Bhuana Ilmu Populer,
2005.
Books.