APA (7th ed.) Zitazioa
Osgood, D. (1984). Life stress: Winning the battle in thirty days. Here's life.
Chicago Style (17th ed.) Zitazioa
Osgood, Don. Life Stress: Winning the Battle in Thirty Days. California: Here's life, 1984.
MLA (9th ed.) Zitazioa
Osgood, Don. Life Stress: Winning the Battle in Thirty Days. Here's life, 1984.
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