APA Style
ALLEN, David. (2015).
Getting Things Done : the art of stress-free productivity (Edisi Revisi).
New York:
penguin books.
Chicago Style
ALLEN, David.
Getting Things Done : the art of stress-free productivity.
Edisi Revisi
New York:
penguin books,
2015.
Text.
MLA Style
ALLEN, David.
Getting Things Done : the art of stress-free productivity.
Edisi Revisi
New York:
penguin books,
2015.
Text.
Turabian Style
ALLEN, David.
Getting Things Done : the art of stress-free productivity.
Edisi Revisi
New York:
penguin books,
2015.
Print.