APA (7th ed.) Zitazioa
Waddington, T. (2007). Lasting contribution: How to think, plan, and act to accomplish meaningful work. B2 Books.
Chicago Style (17th ed.) Zitazioa
Waddington, Tad. Lasting Contribution: How to Think, Plan, and Act to Accomplish Meaningful Work. Chicago: B2 Books, 2007.
MLA (9th ed.) Zitazioa
Waddington, Tad. Lasting Contribution: How to Think, Plan, and Act to Accomplish Meaningful Work. B2 Books, 2007.
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