APA (7. basım) Alıntı

Allen, D. (2015). Getting Things Done The art of Stress Free Productivity. Piatkus.

Chicago Style (17. basım) Atıf

Allen, David. Getting Things Done The Art of Stress Free Productivity. London: Piatkus, 2015.

MLA (9th ed.) Atıf

Allen, David. Getting Things Done The Art of Stress Free Productivity. Piatkus, 2015.