Gaya APA
Lefton, Robert E. (2005).
Creating an effective task management system .
Jakarta:
Bhuana Ilmu Populer.
Gaya Chicago
Lefton, Robert E.
Creating an effective task management system.
Jakarta:
Bhuana Ilmu Populer,
2005.
Text.
Gaya MLA
Lefton, Robert E.
Creating an effective task management system.
Jakarta:
Bhuana Ilmu Populer,
2005.
Text.
Gaya Turabian
Lefton, Robert E.
Creating an effective task management system.
Jakarta:
Bhuana Ilmu Populer,
2005.
Print.