APA (7th ed.) Zitazioa
Landorf, J. (1981). Change points: When we need him most. Fleming H Revell.
Chicago Style (17th ed.) Zitazioa
Landorf, Joyce. Change Points: When We Need Him Most. New Jersey: Fleming H Revell, 1981.
MLA (9th ed.) Zitazioa
Landorf, Joyce. Change Points: When We Need Him Most. Fleming H Revell, 1981.
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