APA Style
Allen, David. (2001).
Getting things done: the art of stress-free productivity .
United States of America:
Penguin Books.
Chicago Style
Allen, David.
Getting things done: the art of stress-free productivity.
United States of America:
Penguin Books,
2001.
E-Book Manajemen.
MLA Style
Allen, David.
Getting things done: the art of stress-free productivity.
United States of America:
Penguin Books,
2001.
E-Book Manajemen.
Turabian Style
Allen, David.
Getting things done: the art of stress-free productivity.
United States of America:
Penguin Books,
2001.
E-Book Manajemen.