APA (7th ed.) Zitazioa
Hales, D. R. An Invitation to healt: Taking charge of your life (6a edición.). Brooks Cole.
Chicago Style (17th ed.) Zitazioa
Hales, Dianne R. An Invitation to Healt: Taking Charge of Your Life. 6a edición. Pacific Grove, EUA: Brooks Cole.
MLA (9th ed.) Zitazioa
Hales, Dianne R. An Invitation to Healt: Taking Charge of Your Life. 6a edición. Brooks Cole.
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