Gaya APA
Allen, David. (2015).
Getting Things Done: The art of stress-free productivity .
New York:
Penguin Books.
Gaya Chicago
Allen, David.
Getting Things Done: The art of stress-free productivity .
New York:
Penguin Books,
2015.
BI CORNER.
Gaya MLA
Allen, David.
Getting Things Done: The art of stress-free productivity .
New York:
Penguin Books,
2015.
BI CORNER.
Gaya Turabian
Allen, David.
Getting Things Done: The art of stress-free productivity .
New York:
Penguin Books,
2015.
BI CORNER.